description Colahan Guyot Overview
Colahan Guyot, also listed as Colahan Seamount, is an underwater volcanic landform in the northern Pacific Ocean and part of the Hawaiian-Emperor seamount chain. It belongs to the chain's guyot-type or flat-topped seamounts, which are submerged volcanic edifices shaped by erosion and later subsidence. The feature is relevant to studies of hotspot volcanism, Pacific-plate history, and deep-sea seamount environments.
help Colahan Guyot FAQ
Where is Colahan Guyot located?
Colahan Guyot, also called Colahan Seamount, lies in the northern Pacific Ocean. It is part of the Hawaiian-Emperor seamount chain.
Why is Colahan called a guyot?
A guyot is a flat-topped seamount, usually formed when an underwater volcano is eroded near sea level and later subsides. Colahan belongs to the guyot-type volcanic structures of the Hawaiian-Emperor chain.
How old is Colahan Guyot?
Colahan formed tens of millions of years ago as part of the volcanic history of the Hawaiian-Emperor chain. Published summaries commonly place its eruption in the range of roughly 37 to 40 million years ago.
Is Colahan Guyot the same feature as Colahan Seamount?
Yes, Colahan Guyot and Colahan Seamount are alternative names for the same underwater volcanic landform. The name appears in lists and studies of the Hawaiian-Emperor seamount chain.
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