description Jimmu Guyot Overview
Jimmu Guyot is a flat-topped submarine volcano in the northern Pacific Ocean, named after Emperor Jimmu and notable within the extensive Emperor Seamount chain.
help Jimmu Guyot FAQ
What makes Jimmu Guyot a guyot rather than an ordinary seamount?
A guyot is an underwater volcanic mountain with a comparatively flat top, while a typical seamount may have a pointed or domed summit. Jimmu Guyot is classified as a flat-topped feature in the Emperor Seamount chain.
Where is Jimmu Guyot located?
Jimmu Guyot lies in the northern Pacific Ocean as part of the Emperor Seamount chain. Gazetteer coordinates place it at about 46 degrees north and 169 degrees 25 minutes east, though maps may round the position.
Why is Jimmu Guyot named Jimmu?
The name refers to Emperor Jimmu, the traditional first emperor of Japan. The Emperor Seamount chain uses Japanese imperial names, which is why Jimmu appears alongside features such as Suiko.
How did Jimmu Guyot get its flat summit?
The volcanic edifice likely rose near sea level, where waves could erode its top, and later subsided as the Pacific plate moved and cooled. A 2022 seismic study examined Jimmu as part of the Hawaiian-Emperor Seamount Chain and found it was built mainly by volcanic processes.
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