Underwater view of a rocky seabed with a submersible vehicle arm.
Pillow Basalts
Image courtesy of NOAA Ocean Exploration, 2025 Beyond the Blue. Download larger version (jpg, 945 KB).
Small pillow basalts seen during Papahānaumokuākea ROV and Mapping expedition Dive 13 suggest this volcanic dome feature may have been produced by slow, “dribbly” basalt flows.