Sam Johnson from USGS points out the location of the San Andreas fault on a map generated by multibeam data to correlate with the incoming seismic data.

Sam Johnson from USGS points out the location of the San Andreas fault on a map generated by multibeam data to correlate with the incoming seismic data. Bathymetric and backscatter data obtained from multibeam sonar are used to determine seafloor depth as well as indicators of the type of sediment (hard or soft bottom) that is below. 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 25 Log

NOAA Ocean Explorer Gallery