An example backscatter image generated from multibeam sonar data, showing the visual discrepancy between hard and soft seafloor sediments.

An example backscatter image generated from multibeam sonar data, showing the visual discrepancy between hard and soft seafloor sediments. Image courtesy of San Andreas Fault 2010 Expedition, NOAA-OER.

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Related Links

San Andreas Fault 2010

San Andreas Fault 2010: September 21 Log

NOAA Ocean Explorer Gallery