Boomerang Seamount
Encyclopedia
The Boomerang Seamount is an active submarine volcano
, located 18 kilometers northeast of Amsterdam Island, France
. It was formed by the St. Paul hotspot and has a 2 kilometers wide caldera
that is 200 meters deep. Hydrothermal activity occurs within the caldera.
Submarine volcano
Submarine volcanoes are underwater fissures in the Earth's surface from which magma can erupt. They are estimated to account for 75% of annual magma output. The vast majority are located near areas of tectonic plate movement, known as ocean ridges...
, located 18 kilometers northeast of Amsterdam Island, France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
. It was formed by the St. Paul hotspot and has a 2 kilometers wide 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...
that is 200 meters deep. Hydrothermal activity occurs within the caldera.