Jackson Volcano is an extinct volcano located 2900 feet (884 meters) beneath the city of Jackson, Mississippi

Jackson, Mississippi

Jackson is the capital and the most populous city of the US state of Mississippi. It is one of two county seats of Hinds County ,. The population of the city declined from 184,256 at the 2000 census to 173,514 at the 2010 census...

, under the Mississippi Coliseum

Mississippi Coliseum

The Mississippi Coliseum is a 6,500-seat multi-purpose arena in Jackson, Mississippi, built in 1962 and located on the Mississippi State Fairgrounds complex...

. It is the only volcano

Volcano

2. Bedrock3. Conduit 4. Base5. Sill6. Dike7. Layers of ash emitted by the volcano8. Flank| 9. Layers of lava emitted by the volcano10. Throat11. Parasitic cone12. Lava flow13. Vent14. Crater15...

 located directly below a capital city in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The volcano was discovered in 1819.

Jackson Volcano is believed to have been extinct for at least 65 million years. A hypothesis states that the Jackson Volcano and related igneous activity in Mississippi were a result of the North America Plate's

North American Plate

The North American Plate is a tectonic plate covering most of North America, Greenland, Cuba, Bahamas, and parts of Siberia, Japan and Iceland. It extends eastward to the Mid-Atlantic Ridge and westward to the Chersky Range in eastern Siberia. The plate includes both continental and oceanic crust...

 passage over the Bermuda hotspot

Bermuda hotspot

The Bermuda hotspot is the supposed "hotspot" proposed to explain the Bermuda Rise , and also...

65 million years ago.