Newly Discovered Seamount Off the California Coast

Startlingly round formation with steep smooth sides found off seafloor in California (Mark PRICE, Sacramento Bee; March 22, 2023)

https://www.sacbee.com/news/california/article273398205.html

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Return to Mendocino Ridge:. U. S. Extended Continental Shelf Project, Exploratory Mapping Expedition (NOAA Ocean Exploration)

https://oceanexplorer.noaa.gov/explorations/14mendocino/welcome.html