What is an Ocean Bottom Seismometer?
Description and uses of the Ocean Bottom Seismometer; a self contained data-acquisition system which free falls to the ocean floor and records seismic data generated by airguns and earthquakes.
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U.S. Atlantic East Coast
Atlantic East Coast interactive map with GIS datasets and sonar imagery.
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Definition:
That part of the lithosphere that is consistently underlain by an asthenosphere and is below sea level. [Adapted from Encyclopedia Britannica, 2001]