The Caloosahatchee Seamount is a

seamount A seamount is a large submarine landform that rises from the ocean floor without reaching the water surface (sea level), and thus is not an island, islet, or cliff-rock. Seamounts are typically formed from extinct volcanoes that rise abruptly a ...

in the northern

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

. It is part of the Corner Rise Seamounts, which was active about 75 million years ago. It was formed when the North American Plate moved over the

New England hotspot The New England hotspot, also referred to as the Great Meteor hotspot and sometimes the Monteregian hotspot, is a volcanic hotspot in the North Atlantic Ocean. It created the Monteregian Hills intrusions in Montreal and Montérégie, the White ...

, also known as the Great Meteor Hotspot. The Great Meteor Hotspot also formed various kimberlite fields in Canada, the Monteregian Hills, the White Mountains, the New England Seamounts, and the Seewarte Seamounts, which are the newest volcanoes produced by the New England Hotspot.

References

Seamounts of the Atlantic Ocean Hotspot volcanoes {{marine-geo-stub