Topic
Seafloor Mapping
What is a Seamount?
Fact Sheet. Seamounts rise high off the seafloor, much like mountains do on land, though most are remnants of extinct volcanoes. To be classified as a seamount, the feature must rise at least 1,000 meters (3,300 feet) above the surrounding seafloor. Satellite data indicate seamounts are located throughout every ocean basin, yet the majority remain unexplored.
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