description Yakutat Seamount Overview
The Yakutat Seamount is a flat-topped submarine volcano, also known as a guyot or tablemount, located in the Northwestern Atlantic Ocean. It is part of the Corner Rise Seamounts, a cluster of oceanic mountains formed during the Cenozoic era. Unlike conical volcanoes, its distinguishing feature is a broad, flat summit created by wave erosion when the volcano was once at or near sea level. This geological formation is studied by oceanographers researching the ancient tectonic history of the Atlantic seafloor.
help Yakutat Seamount FAQ
Where is Yakutat Seamount?
Yakutat Seamount is in the northwestern Atlantic on the eastern margin of the Corner Rise Seamount Complex. NOAA's 2021 North Atlantic Stepping Stones expedition treated it as part of the Corner Rise Seamount Chain. [NOAA expedition](https://oceanexplorer.noaa.gov/ex2104-dive10/)
Why is Yakutat Seamount called a guyot?
A guyot is a seamount with a broad, flat summit, so the name describes Yakutat's table-like top rather than a separate rock type. NOAA explains that many guyots are volcanic mountains shaped by erosion and later subsidence below sea level. [NOAA](https://oceanservice.noaa.gov/facts/guyot.html)
Is Yakutat Seamount an active volcano?
Seamounts are commonly remnants of extinct volcanoes, and the Corner Rise chain is a volcanic seamount chain rather than a known surface volcano. NOAA studied Yakutat through sonar mapping and ROV dives during its 2021 expedition. [NOAA expedition](https://oceanexplorer.noaa.gov/ex2104-dive10/)
Why do scientists care about Yakutat Seamount?
Its slopes and summit can provide hard seafloor habitat for deep-sea corals, sponges, and other organisms. NOAA included Yakutat in an ROV and mapping expedition because seamount ecosystems are difficult to observe from the surface. [NOAA seamount facts](https://oceanexplorer.noaa.gov/ocean-fact/seamounts/)
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