description Ojin Guyot Overview
Ōjin Guyot, also called Ōjin Seamount, is a flat-topped submarine volcano in the Hawaiian-Emperor seamount chain in the Pacific Ocean. The name refers to Emperor Ōjin of Japan, and geological references place its eruption at about 55 million years ago. As a guyot, it is relevant to marine geologists and oceanography readers studying extinct seamounts, former volcanic islands, and the subsidence of oceanic crust below sea level. [Wikipedia](https://en.wikipedia.org/wiki/Ojin_Seamount) [NOAA](https://oceanservice.noaa.gov/facts/guyot.html)
help Ojin Guyot FAQ
What is Ojin Guyot?
Ojin Guyot, also called Ojin Seamount, is a flat-topped submarine volcano in the Hawaiian-Emperor seamount chain. A guyot is a seamount whose summit has been flattened, usually by erosion before it subsided.
Where is Ojin Guyot located?
It lies in the Pacific Ocean as part of the Hawaiian-Emperor seamount chain. This chain records the movement of the Pacific Plate over a long-lived volcanic hotspot.
How old is Ojin Guyot?
Geological references place its eruption at about 55 million years ago. The age refers to its volcanic formation rather than the later subsidence that left it beneath the sea.
Who is Ojin Guyot named after?
The name refers to Emperor Ōjin of Japan. The feature is also known by the alternate name Ōjin Seamount.
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