Category Archives: Uncategorized

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 … Continue reading

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Dive 10: “Wetmore” Seamount East

The ROVs should be in the water at approximately 8:30 AM, HST (2:30 PM, EDT) and will go to a starting depth of ~2,100 meters (~6,890 feet). We will explore a rift zone ridge extending southeast from the east side … Continue reading

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Dive 09: “Wetmore” Seamount

ROV Deep Discoverer will dive on a rift zone ridge extending SE from Wetmore Seamount, a guyot located near Johnston Atoll, beginning at a depth of 2,600 meters (~8,530 feet). Ridges act as barriers to bottom current flow and their … Continue reading

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Dive 8: “Pierpont” Seamount

Today’s dive will be on a manganese-crusted guyot; its summit edges may have deep water coral and sponge communities. This particular site is on a potential “pancake volcano” created by secondary volcanism that should yield valuable rocks for geologic aging.  … Continue reading

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Dive 07: “Edmondson” Seamount

The maintenance for the cable supplying power and communications to ROV Deep Discoverer has been completed and we are diving again. Today’s dive will take place on an unexplored area of “Edmondson” Seamount and will begin at about 8:30 AM, HST (2:30 PM, … Continue reading

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Mapping Johnston Atoll

The Engineering Team is continuing to troubleshoot and repair ROV Deep Discoverer. There will be no dive for July 20. Instead, we will spend the day mapping. We plan to dive again on Friday, July 21. For more information about this … Continue reading

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No Dive July 19

In order to give the Engineering Team additional time to troubleshoot and repair the Deep Discoverer remotely operated vehicle, the dive for July 19 has been cancelled. We will spend the day mapping. Stay tuned for additional information regarding the status … Continue reading

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