British Columbia

• British Columbia
  British Columbia
  British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
  
  

  Name	Type	Elevation (m)	Elevation (ft)	Last eruption (VEI Volcanic Explosivity Index The Volcanic Explosivity Index was devised by Chris Newhall of the U.S. Geological Survey and Stephen Self at the University of Hawaii in 1982 to provide a relative measure of the explosiveness of volcanic eruptions.... )	Location
  Silverthrone Caldera Silverthrone Caldera The Silverthrone Caldera is a potentially active caldera complex in southwestern British Columbia, Canada, located over northwest of the city of Vancouver and about west of Mount Waddington in the Pacific Ranges of the Coast Mountains. The caldera is one of the largest of the few calderas in...	Caldera Caldera A caldera is a cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption, such as the one at Yellowstone National Park in the US. They are sometimes confused with volcanic craters...	2,865	9,400	Unknown	51.43°N 126.30°W
  Franklin Glacier Volcano Franklin Glacier Volcano Franklin Glacier Volcano is a deeply eroded and huge long and wide caldera complex in southwestern British Columbia, Canada, located east-southeast of the Silverthrone Caldera in the Hoodoo Creek and Franklin Glacier area on the northwest flank of the Waddington Massif of the Pacific Ranges...	Caldera Caldera A caldera is a cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption, such as the one at Yellowstone National Park in the US. They are sometimes confused with volcanic craters...	2,252	7,388	Pliocene Pliocene The Pliocene Epoch is the period in the geologic timescale that extends from 5.332 million to 2.588 million years before present. It is the second and youngest epoch of the Neogene Period in the Cenozoic Era. The Pliocene follows the Miocene Epoch and is followed by the Pleistocene Epoch...	51.33°N 125.04°W
  Bridge River Cones Bridge River Cones The Bridge River Cones, sometimes referred to as the Lillooet Cones and Salal Creek Cones, is the name given to a volcanic field located on the north flank of the upper Bridge River, about west of the town of Gold Bridge...	Volcanic field Volcanic field A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...	2,500	8,500	Unknown	50.80°N 123.40°W
  Mount Meager Mount Meager Mount Meager, originally known as Meager Mountain, is a complex volcano in the Sea-to-Sky Corridor of southwestern British Columbia, Canada. It is located north of Vancouver at the northern end of the Pemberton Valley. Part of the Cascade Volcanic Arc of western North America, its summit is above...	Complex volcano Complex volcano A complex volcano, also called a compound volcano, is a volcano with more than one feature. They form because changes of their eruptive characteristics or the location of multiple vents in an area...	2,645	8,678	2,350 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...  (5)	50.63°N 123.50°W
  Ring Mountain	Tuya Tuya A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...	2,192	7,192	Unknown	50.13°N 123.17°W
  Mount Cayley Mount Cayley Mount Cayley is a potentially active stratovolcano in Squamish-Lillooet Regional District of southwestern British Columbia, Canada. Located north of Squamish and west of Whistler in the Pacific Ranges of the Coast Mountains, it rises above the Squamish River to the west and above the Cheakamus...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,385	7,825	20,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	50.12°N 123.28°W
  Brandywine Mountain Brandywine Mountain Brandywine Mountain, , is a summit in the Powder Mountain Icefield of the Pacific Ranges of the Coast Mountains of southwestern British Columbia, Canada, about west of the resort town of Whistler...	Volcanic plug Volcanic plug A volcanic plug, also called a volcanic neck or lava neck, is a volcanic landform created when magma hardens within a vent on an active volcano. When forming, a plug can cause an extreme build-up of pressure if volatile-charged magma is trapped beneath it, and this can sometimes lead to an...	2,213	7,260	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	50.11°N 123.22°W
  Mount Fee Mount Fee Mount Fee is a volcanic peak in the Pacific Ranges of the Coast Mountains in southwestern British Columbia, Canada. It is located south of Callaghan Lake and west of the resort town of Whistler. With a summit elevation of and a topographic prominence of , it rises above the surrounding rugged...	Volcanic plug Volcanic plug A volcanic plug, also called a volcanic neck or lava neck, is a volcanic landform created when magma hardens within a vent on an active volcano. When forming, a plug can cause an extreme build-up of pressure if volatile-charged magma is trapped beneath it, and this can sometimes lead to an...	2,162	7,093	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	50.08°N 123.24°W
  Mount Brew Mount Brew (Cheakamus River) Mount Brew is a rounded mountain in southwestern British Columbia, Canada, located southwest of Whistler in the Pacific Ranges of the Coast Mountains. A public cabin run by the Varsity Outdoor Club, Brew Hut, is located near the summit...	Subglacial volcano Subglacial volcano A subglacial volcano, also known as a glaciovolcano, is a volcanic form produced by subglacial eruptions or eruptions beneath the surface of a glacier or ice sheet which is then melted into a lake by the rising lava...	1,757	5,764	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	50.04°N 123.19°W
  Black Tusk Black Tusk Black Tusk is a remarkably abrupt pinnacle of volcanic rock located in Garibaldi Provincial Park of British Columbia, Canada. At above sea level, the upper spire is visible from a great distance in all directions. It is particularly noticeable from the Sea-to-Sky Highway just south of Whistler,...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,319	7,608	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	49.97°N 123.04°W
  Cinder Cone Cinder Cone (British Columbia) Cinder Cone is a cinder cone with a small crater on the west side of the Helm Glacier in Garibaldi Provincial Park. Cinder Cone is surrounded by cinder flats and its crater is filled with melt water during the summer. Cinder Cone gets eroded easily by melt water during the spring, washing the...	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	1,910	6,266	Holocene Holocene The Holocene is a geological epoch which began at the end of the Pleistocene and continues to the present. The Holocene is part of the Quaternary period. Its name comes from the Greek words and , meaning "entirely recent"...	49.97°N 123.01°W
  Clinker Peak Clinker Peak Clinker Peak is a stratovolcano, in the Garibaldi Volcanic Belt, British Columbia, Canada. It is located on the west shoulder of Mount Price on the west side of Garibaldi Lake...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	1,992	6,535	9,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	49.93°N 123.04°W
  Mount Price	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,052	6,732	9,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	49.92°N 123.03°W
  Garibaldi Lake	Volcanic field Volcanic field A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...	2,316	7,598	Unknown	49.92°N 123.03°W
  The Table The Table The Table, sometimes called Table Mountain, is a high flow-dominated andesite tuya located south of Garibaldi Lake, northeast of Cheekye and north of Mount Garibaldi, British Columbia, Canada...	Tuya Tuya A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...	2,021	6,631	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	49.90°N 123.01°W
  Mount Garibaldi Mount Garibaldi Mount Garibaldi is a potentially active stratovolcano in the Sea to Sky Country of British Columbia, north of Vancouver, Canada. Located in the southernmost Coast Mountains, it is one of the most recognized peaks in the South Coast region, as well as British Columbia's best known volcano...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,678	8,786	10,700-9,300 (3?)	49.84°N 123.00°W
  Opal Cone Opal Cone Opal Cone is a cinder cone located on the southeast flank of Mount Garibaldi in the Coast Mountains of British Columbia, Canada. It is the source of a 15 km long broad dacite lava flow with prominent wrinkled ridges...	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	1,736	5,696	9,300 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	49.83°N 123.97°W
  The Castle The Castle (volcano) The Castle is a lava spine located west of Squamish in southwestern British Columbia, Canada. Volcanism at The Castle is controlled by north-south structures and there are no hot springs known in the area...	Subglacial volcano Subglacial volcano A subglacial volcano, also known as a glaciovolcano, is a volcanic form produced by subglacial eruptions or eruptions beneath the surface of a glacier or ice sheet which is then melted into a lake by the rising lava...	-	-	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	49.69°N 123.02°W
  Coquihalla Mountain Coquihalla Mountain Coquihalla Mountain is an extinct stratovolcano in Similkameen Country, southwestern British Columbia, Canada, located south of Falls Lake and west of Tulameen between the Coquihalla and Tulameen rivers. With a topographic prominence of , it towers above adjacent mountain ridges...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,157	7,077	Miocene Miocene The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...	-
  Watts Point Watts Point volcanic centre The Watts Point volcanic centre is a small outcrop of Pleistocene age volcanic rock at Watts Point in British Columbia, Canada, about south of Squamish and north of Vancouver, and just north of Britannia Beach. It is the southernmost volcanic zone in the Squamish volcanic field and of the...	Subglacial volcano Subglacial volcano A subglacial volcano, also known as a glaciovolcano, is a volcanic form produced by subglacial eruptions or eruptions beneath the surface of a glacier or ice sheet which is then melted into a lake by the rising lava...	240	800	90,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	49.39°N 123.13°W

Washington

• Washington (U.S. state)

  Name	Type	Elevation (m)	Elevation (ft)	Last eruption (VEI Volcanic Explosivity Index The Volcanic Explosivity Index was devised by Chris Newhall of the U.S. Geological Survey and Stephen Self at the University of Hawaii in 1982 to provide a relative measure of the explosiveness of volcanic eruptions.... )	Location
  Mount Baker Mount Baker Mount Baker , also known as Koma Kulshan or simply Kulshan, is an active glaciated andesitic stratovolcano in the Cascade Volcanic Arc and the North Cascades of Washington State in the United States. It is the second-most active volcano in the range after Mount Saint Helens...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	3,286	10,781	1880 (2)	48.777°N 121.813°W
  Glacier Peak Glacier Peak Glacier Peak is the most isolated of the five major stratovolcanoes of the Cascade Volcanic Arc in Washington...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	3,213	10,541	1700 ± 100 years (2)	48.112°N 121.113°W
  Mount Rainier Mount Rainier Mount Rainier is a massive stratovolcano located southeast of Seattle in the state of Washington, United States. It is the most topographically prominent mountain in the contiguous United States and the Cascade Volcanic Arc, with a summit elevation of . Mt. Rainier is considered one of the most...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	4,392	14,411	1894 (1?)	46.853°N 121.760°W
  Goat Rocks Goat Rocks The Goat Rocks are a series of rugged volcanic peaks in the Cascade Range, roughly between Mount Rainier and Mount Adams in southern Washington state. They are named after the numerous mountain goats which live in the area, and are at the core of the eponymous Goat Rocks Wilderness.- Geography and...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,494	8,184	730,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	46.29°N 121.24°W
  Mount Adams Mount Adams (Washington) Mount Adams is a potentially activestratovolcano in the Cascade Range and the second-highest mountain in the U.S. state of Washington.Adams is a member of the Cascade Volcanic Arc, and is one of the arc's largest volcanoes,...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	3,742	12,277	950 AD? (2)	46.206°N 121.490°W
  Mount St. Helens Mount St. Helens Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It is south of Seattle, Washington and northeast of Portland, Oregon. Mount St. Helens takes its English name from the British diplomat Lord St Helens, a...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,549	8,363	2008 (2)	46.20°N 122.18°W
  Indian Heaven Indian Heaven Indian Heaven is a polygenetic volcanic field in Washington, United States. It is located midway between Mount St. Helens and Mount Adams, and dates from the Pleistocene and Holocene. The field trends north to south and is dominated by seven small shield volcanoes that have each erupted only once. ...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes... es	1,806	5,925	6250 BC ± 100 years	45.93°N 121.82°W
  West Crater West Crater West Crater is a small andesitic lava dome with associated lava flows in southern Washington, USA....	Volcanic field Volcanic field A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...	1,329	4,360	5750 BC? (2?)	45.88°N 122.08°W
  Trout Creek Hill Trout Creek Hill Trout Creek Hill is a small Pleistocene basaltic shield volcano in Washington, United States. It produced a lava flow about 340,000 years ago that traveled southeast, which dammed the Columbia River for a short period of time....	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	893	2,930	340,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	45.83°N 122°W

Oregon

• Oregon
  Oregon
  Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
  
  

  Name	Type	Elevation (m)	Elevation (ft)	Last eruption (VEI Volcanic Explosivity Index The Volcanic Explosivity Index was devised by Chris Newhall of the U.S. Geological Survey and Stephen Self at the University of Hawaii in 1982 to provide a relative measure of the explosiveness of volcanic eruptions.... )	Location
  Boring Lava Field Boring Lava Field The Boring Lava Field is an extinct Plio-Pleistocene volcanic field zone with at least 32 cinder cones and small shield volcanoes lying within a radius of 13 miles of Kelly Butte, which is approximately 4 miles east of downtown Portland, Oregon, in the United States...	Volcanic field Volcanic field A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...	1,236	4,055	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	45.66°N 122.68°W
  Rocky Butte Rocky Butte Rocky Butte is an extinct volcanic cinder cone butte in Portland, Oregon, United States. It is one of four, along with Kelly Butte, Powell Butte, and Mount Tabor, inside the city that are each home to a city park, Rocky Butte playing host to Joseph Wood Hill Park. It is also part of the Boring...	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	174	571	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	45.547°N 122.565°W
  Powell Butte Powell Butte Powell Butte is an extinct volcanic cinder cone butte in Portland, Oregon, United States. It is one of four such cones inside the city that are home to a city park and is part of the Boring Lava Field, an area of extinct volcanoes. Powell Butte hosts the Powell Butte Nature Park.- External links...	Cinder Cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	191	627	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	45.487°N 122.504°W
  Mount Sylvania Mount Sylvania Mount Sylvania is an extinct volcano, part of the Boring Lava Field, on the outskirts of Portland, Oregon. The parts of the mountain are within the cities of Portland, Lake Oswego, and Tigard...	Cinder Cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	292	958	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	45.438°N 122.721°W
  Mount Hood Mount Hood Mount Hood, called Wy'east by the Multnomah tribe, is a stratovolcano in the Cascade Volcanic Arc of northern Oregon. It was formed by a subduction zone and rests in the Pacific Northwest region of the United States...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	3,426	11,240	1866 (2)	45.374°N 121.695°W
  Olallie Butte Olallie Butte Olallie Butte is a steep-sided shield volcano in the Cascade Range of northern Oregon. It is the largest volcano and highest point in the distance between Mount Hood and Mount Jefferson, Oregon's two highest peaks...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,199	7,215	-	44.820°N 121.764°W
  Mount Jefferson Mount Jefferson (Oregon) Mount Jefferson is a stratovolcano in the Cascade Volcanic Arc, part of the Cascade Range, and is the second highest mountain in Oregon. Situated in the far northeastern corner of Linn County on the Jefferson County line, about east of Corvallis, Mount Jefferson is in a rugged wilderness and is...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	3,199	10,495	950 AD?	44.674°N 121.799°W
  Three Fingered Jack Three Fingered Jack Three Fingered Jack, named for its distinctive shape, is a Pleistocene volcano in the Cascade Range of Oregon. It is a deeply glaciated shield volcano and consists mainly of basaltic andesite lava...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,390	7,841	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	44.478°N 121.845°W
  Hogg Rock Hogg Rock Hogg Rock is a tuya volcano in the Cascade Range of northern Oregon, located west of Santiam Pass beside the Santiam Highway . The highway wraps in a nearly 180-degree curve below cliffs on the south and west sides....	Tuya Tuya A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...	1,548	5,080	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	44.422°N 121.877°W
  Blue Lake Crater Blue Lake Crater Blue Lake Crater is a maar in the U.S. state of Oregon. It consists of three overlapping craters, which are filled by the waters of Blue Lake....	Maar Maar A maar is a broad, low-relief volcanic crater that is caused by a phreatomagmatic eruption, an explosion caused by groundwater coming into contact with hot lava or magma. A maar characteristically fills with water to form a relatively shallow crater lake. The name comes from the local Moselle...	1,230+	4,035	680 AD ± 200 years	44.411°N 121.774°W
  Hoodoo Butte Hoodoo Butte Hoodoo Butte is a cinder cone butte in the Cascade Range of northern Oregon, located near Santiam Pass just west of the Cascade Crest. A ski area, also named Hoodoo, is located on the northwest through northeast flanks of the cone, and the summit area includes the top stations of two chairlifts...	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	1,738	5,702	Holocene Holocene The Holocene is a geological epoch which began at the end of the Pleistocene and continues to the present. The Holocene is part of the Quaternary period. Its name comes from the Greek words and , meaning "entirely recent"...	44.402°N 121.884°W
  Sand Mountain Field	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:... s	1,664	5,459	70 AD ± 150 years	44.38°N 121.93°W
  Hayrick Butte Hayrick Butte Hayrick Butte is a tuya volcano in the Cascade Range of northern Oregon, located near Santiam Pass just west of the Cascade Crest. It is adjacent to the cinder cone, Hoodoo Butte, which overlaps its western edge....	Tuya Tuya A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...	1,683	5,523	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	44.399°N 121.871°W
  Black Butte Black Butte (Oregon) Black Butte is a cinder cone butte located in Deschutes National Forest, northwest of the town of Sisters, Oregon. An extinct volcano, it is composed of basaltic andesite. The cone rises over the surrounding plateau. Black Butte is a striking feature just north of US Highway 20, which descends...	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	1,937	6,355	-	44.399°N 121.634°W
  Mount Washington Mount Washington (Oregon) Mount Washington is a deeply eroded shield volcano in the Cascade Range of Oregon. The mountain dates to the Late Pleistocene. However, it does have a line of basaltic andesite spatter cones on its northeast flank which are approximately 1,330 years old according to carbon dating...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,376	7,795	1,330 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	44.332°N 121.838°W
  Belknap Crater Belknap Crater Belknap Crater is a shield volcano in the Cascade Range in the U.S. state of Oregon.Belknap volcano is a Holocene example of the process which built the High Cascade Platform during the Pleistocene. It is a small shield volcano with a capping cinder cone....	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes... es	2,095	6,873	480 AD? (2?)	44.285°N 121.843°W
  Black Crater Black Crater Black Crater is a steep-sided shield volcano in the Cascade Range of central Oregon, located north of the Three Sisters and east of McKenzie Pass. Ice Age glaciers carved a large cirque into the northern flank of the mountain, and snow often lingers in its shady depths until late summer...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,210	7,251	-	44.266°N 121.748°W
  Three Sisters Three Sisters (Oregon) The Three Sisters are three volcanic peaks of the Cascade Volcanic Arc and the Cascade Range in Oregon, each of which exceeds in elevation. They are the third, fourth, and fifth highest peaks in the state of Oregon and are located in the Three Sisters Wilderness, about southwest from the nearest...	Complex volcano Complex volcano A complex volcano, also called a compound volcano, is a volcano with more than one feature. They form because changes of their eruptive characteristics or the location of multiple vents in an area...	3,157	10,358	1,600 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	44.10°N 121.77°W
  Broken Top Broken Top Broken Top is an extinct, glacially eroded stratovolcano in Oregon, part of the extensive Cascade Range. Located south of the Three Sisters peaks, the volcano, residing within the Three Sisters Wilderness, is 20 miles west of Bend, Oregon in Deschutes County...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,797	9,055	100,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	44.083°N 121.699°W
  Pilot Butte	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	1,261	4,138	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	44.061°N 121.283°W
  Tumalo Mountain Tumalo Mountain Tumalo Mountain is a shield volcano in the Cascade Range of central Oregon, located just northeast of Mount Bachelor across the Cascade Lakes Scenic Byway. Ice Age glaciers carved a large cirque into the northeast flank of the mountain, producing a bowl which is popular with local backcountry skiers...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,370	7,775	-	44.005°N 121.642°W
  Mount Bachelor Mount Bachelor Mount Bachelor, formerly named Bachelor Butte, is a stratovolcano atop a shield volcano in the Cascade Volcanic Arc and the Cascade Range of central Oregon.The Mount Bachelor ski area has operated on the mountain since 1958....	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,764	9,068	8,000-10,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	43.979°N 121.688°W
  Lava Butte Lava Butte Lava Butte is a cinder cone located in central Oregon, USA, just west of US Highway 97 between the towns of Bend, Oregon, and Sunriver, Oregon. It is part of a system of small cinder cones on the northwest flank of Newberry Volcano, a massive shield volcano which rises to the southeast...	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	1,529	5,016	7,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	43.918°N 121.356°W
  Newberry Volcano Newberry Volcano Newberry Volcano is a large potentially active shield volcano located east of the Cascade Range and about southeast of Bend, Oregon. It is not a typical shield volcano. In addition to erupting basaltic lavas, it also has erupted andesitic and even rhyolitic lava.The volcano is in diameter and...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,435	7,989	690 AD (4)	43.722°N 121.229°W
  Maiden Peak Maiden Peak (Oregon) Maiden Peak is a steep-sided shield volcano in the Cascade Range of central Oregon. It is the highest point in the distance between Mount Bachelor and Diamond Peak...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,383	7,818	-	43.626°N 121.925°W
  Davis Lake Davis Lake volcanic field The Davis Lake volcanic field, is a volcanic field with a group of andesitic cinder cones, lava flows and basaltic andesite shield volcanos east of the Cascade Range of Oregon, USA.-Notable vents:...	Volcanic field Volcanic field A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...	2,163	7,096	2,790 BC?	43.57°N 121.82°W
  Diamond Peak Diamond Peak (Oregon) Diamond Peak is a shield volcano in south west Oregon and is part of the Cascade Range. The mountain is located near Willamette Pass in the Diamond Peak Wilderness within the Willamette National Forest....	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,665	8,744	Less than 100,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	43.520°N 122.149°W
  Devil's Garden Devil's Garden volcanic field Portions of this article include public domain text from the USFS .Devil's Garden Volcanic Field is a volcanic field located south east of Newberry Caldera in Oregon. The lava field consists of several flows of pahoehoe lava that erupted from fissure vents in the northeast part of the Devils...	Volcanic field Volcanic field A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...	1,698+	5,571	Unknown	43.512°N 120.861°W
  Squaw Ridge Squaw Ridge Lava Field The Squaw Ridge lava field, also known as the East lava field, is a young basaltic field located in the U.S. state of Oregon southeast of Newberry Volcano.-Notable Vents:-See also:* List of volcanoes in the United States of America...	Volcanic field Volcanic field A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...	1,711	5,613	Unknown	43.472°N 120.754°W
  Four Craters Four Craters Lava Field Portions of this article include public domain text from the USFS .Four Craters Lava Field is a basaltic volcanic field located south east of Newberry Caldera in the U.S. state of Oregon. The volcanic field covers about 30 square kilometers. Four Pleistocene cinder cones are the source of the flows...	Volcanic field Volcanic field A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity. They usually contain 10 to 100 volcanoes, such as cinder cones and are usually in clusters. Lava flows may also occur...	1,501	4,924	Unknown	43.361°N 120.669°W
  Cinnamon Butte Cinnamon Butte Cinnamon Butte is a group of cinder cone volcanoes and lava domes in the Cascade Range of Oregon. All of the vents are older than approximately 6,845 years as they are all covered in ash from the eruption of Mount Mazama.-Notable Vents:...	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:... s	1,956	6,417	Unknown	43.241°N 122.108°W
  Howlock Mountain Howlock Mountain Howlock Mountain is a heavily eroded shield volcano in the Cascade Range of central Oregon, located along the Cascade Crest just north of Mount Thielsen. Ice Age glaciers eroded away most of the flanks of the volcano, leaving numerous deep cirques surrounding a central ridge capped by several horns...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,545	8,351	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	43.192°N 122.039°W
  Mount Bailey Mount Bailey (Oregon) Mount Bailey is a relatively young tephra cone and shield volcano in the Cascade Range, located on the opposite side of Diamond Lake from Mount Thielsen in southern Oregon, United States. Bailey consists of a high main cone on top of an old basaltic andesite shield volcano. With a volume of ,...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,551	8,368	Less than 100,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	43.155°N 122.221°W
  Mount Thielsen Mount Thielsen Mount Thielsen, or Big Cowhorn, is an extinct shield volcano in the Oregon High Cascades, near Mount Bailey. Because Mount Thielsen stopped erupting 250,000 years ago, glaciers have heavily eroded the volcano's structure, creating precipitous slopes and its horn-like peak...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,799	9,184	-	43.153°N 122.067°W
  Yamsay Mountain Yamsay Mountain Yamsay Mountain is a large shield volcano in the Cascade Range of south-central Oregon, located about east of Crater Lake on the border between Klamath County and Lake County. It is part of the Cascade Volcanic Arc, but is located in a mountain range behind the main Cascade volcanic front...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,498	8,196	-	42.931°N 121.364°W
  Mount Mazama Mount Mazama Mount Mazama is a destroyed stratovolcano in the Oregon part of the Cascade Volcanic Arc and the Cascade Range. The volcano's collapsed caldera holds Crater Lake, and the entire mountain is located within Crater Lake National Park....	Caldera Caldera A caldera is a cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption, such as the one at Yellowstone National Park in the US. They are sometimes confused with volcanic craters...	2,487	8,159	2290 BC ± 300 years	42.93°N 122.12°W
  Mount Scott	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,722	8,929	Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....	42.923°N 122.018°W
  Union Peak Union Peak Union Peak is a heavily eroded shield volcano in the Cascade Range of central Oregon, located along the Cascade Crest less than southwest of the rim of Crater Lake. Ice Age glaciers eroded away most of the flanks of the volcano, leaving numerous deep cirques surrounding a central glacial horn...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,350	7,709	-	42.831°N 122.224°W
  Pelican Butte Pelican Butte Pelican Butte is a steep-sided dormant shield volcano in the Cascade Range of southern Oregon. It is located due south of Crater Lake and northeast of Mount McLoughlin, and rises over directly above the shore of Upper Klamath Lake...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,449	8,036	300,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	42.513°N 122.146°W
  Mount McLoughlin Mount McLoughlin Mount McLoughlin is a steep-sided lava cone built on top of a shield volcano in the Cascade Range of southern Oregon and within the Sky Lakes Wilderness area. It is one of the volcanic peaks in the Cascade Volcanic Arc. The mountain is north of Mount Shasta, south of Crater Lake, and west of Upper...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,894	9,495	20,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	42.445°N 122.315°W
  Aspen Butte Aspen Butte Aspen Butte is a steep-sided shield volcano in the Cascade Range of southern Oregon. It is located south of Pelican Butte and southeast of Mount McLoughlin. It rises over above the nearby shore of Upper Klamath Lake...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes... es	2,502	8,208	-	42.315°N 122.088°W

California

• California

  Name	Type	Elevation (m)	Elevation (ft)	Last eruption (VEI Volcanic Explosivity Index The Volcanic Explosivity Index was devised by Chris Newhall of the U.S. Geological Survey and Stephen Self at the University of Hawaii in 1982 to provide a relative measure of the explosiveness of volcanic eruptions.... )	Location
  Medicine Lake Volcano Medicine Lake Volcano Medicine Lake Volcano is a large shield volcano in northeastern California about northeast of Mount Shasta. The volcano is located in a zone of east-west crustal extension east of the main axis of the Cascade Volcanic Arc and the Cascade Range. The thick shield is from east to west and from...	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	2,412	7,913	1080 ± 25 years (3?)	41.611°N 121.554°W
  Mount Shasta Mount Shasta Mount Shasta is located at the southern end of the Cascade Range in Siskiyou County, California and at is the second highest peak in the Cascades and the fifth highest in California...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	4,317	14,163	1786 (3)	41.409°N 122.193°W
  Shastina Shastina Shastina is the highest satellite cone of Mount Shasta, and one of four overlapping volcanic cones which together form the most voluminous stratovolcano in the Cascade Range. At , Shastina is taller than Mount Adams and would rank as the third highest volcano in the Cascades behind Mount Rainier...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	3,758	12,330
  41.40°N 122.22°W
  Black Butte	Lava dome Lava dome |250px|thumb|right|Image of the [[rhyolitic]] lava dome of [[Chaitén Volcano]] during its 2008–2009 eruption.In volcanology, a lava dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano...	1,902	6,242	9,000-10,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	41.363°N 122.348°W
  Brushy Butte Brushy Butte Brushy Butte is a small, poorly studied, shield volcano located immediately east of Timbered Crater, south-southeast of the Medicine Lake Highlands in northern California, USA ....	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	1,174	3,852	Unknown	41.178°N 121.443°W
  Big Cave Big Cave Big Cave is a small basaltic shield volcano located in northern California, USA. It has young pyroclastic cones on its northern flank and on its summit....	Shield volcano Shield volcano A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their large size and low profile, resembling a warrior's shield. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from more explosive volcanoes...	1,259	4,131	Unknown	40.955°N 121.365°W
  Twin Buttes Twin Buttes The Twin Buttes is a group of cinder cones located in the Cascade Mountain Range of Shasta County, California....	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:... s	1,631	5,351	Unknown	40.777°N 121.591°W
  Tumble Buttes	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:... s	2,191	7,188	Unknown	40.68°N 121.55°W
  Eagle Lake Field	Fissure vent Fissure vent A fissure vent, also known as a volcanic fissure or simply fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is usually a few meters wide and may be many kilometers long. Fissure vents can cause large flood basalts and lava channels... s	1,652	5,420	Unknown	40.63°N 120.83°W
  Cinder Cone Cinder Cone and the Fantastic Lava Beds Cinder Cone is a cinder cone volcano in Lassen Volcanic National Park . Within the park it is located about northeast of Lassen Peak and provides an excellent view of Brokeoff Mountain, Lassen Peak, and Chaos Crags.The cone was built to a height of above the surrounding area and spread ash over...	Cinder cone Cinder cone According to the , Cinder Cone is the proper name of 1 cinder cone in Canada and 7 cinder cones in the United States:In Canada: Cinder Cone In the United States:...	2,105	6,907	350 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	40.53°N 121.32°W
  Lassen Peak Lassen Peak Lassen Peak is the southernmost active volcano in the Cascade Range. It is part of the Cascade Volcanic Arc which is an arc that stretches from northern California to southwestern British Columbia...	Lava dome Lava dome |250px|thumb|right|Image of the [[rhyolitic]] lava dome of [[Chaitén Volcano]] during its 2008–2009 eruption.In volcanology, a lava dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano...	3,189	10,462	1917 (3)	40.492°N 121.508°W
  Mount Tehama Mount Tehama Mount Tehama is an eroded andesitic stratovolcano in the Cascade Volcanic Arc and the Cascade Range in Northern California. Part of the Lassen volcanic center, its highest remaining remnant, Brokeoff Mountain, is itself the second highest peak in Lassen Volcanic National Park and connects to the...	Stratovolcano Stratovolcano A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...	2,815	9,235	600,000 BP Before Present Before Present years is a time scale used in archaeology, geology, and other scientific disciplines to specify when events in the past occurred. Because the "present" time changes, standard practice is to use AD 1950 as the origin of the age scale, reflecting the fact that radiocarbon...	40.43°N 121.55°W

See also

• List of volcanoes in the United States of America
• List of volcanoes in Canada
• Volcanism of Canada
• Volcanism of Western Canada
  Volcanism of Western Canada
  Volcanism of Western Canada produces lava flows, lava plateaus, lava domes, cinder cones, stratovolcanoes, shield volcanoes, submarine volcanoes, calderas, diatremes and maars, along with examples of more less common volcanic forms such as tuyas and subglacial mounds.-Volcanic belts:*Anahim...
  
  
• List of Northern Cordilleran volcanoes