Dive 11: “Ridge” Seamount

Today’s dive will be to a depth of approximately 2,440 meters (~8005 feet). “Ridge” Seamount is in the southern part of the Johnston Atoll Unit of the Pacific Remote Islands Marine National Monument, where no previous mapping or ROV surveys have been conducted. Based on satellite altimetry data, the area has a complex distribution of seamounts, some of which may be guyots while others may be more conical in shape. This seamount was mapped two nights ago and found to have a ridge shape running northwest to southeast. Deep Discoverer will dive just below its summit and come onto the crest while searching for coral and sponge communities.

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