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Record Search Query:
[Service_Provider: Short_Name='DOI/USGS/EROS']
Northeast Pacific Seismicity Quarterly Epicenter Maps
Entry ID: NESEISMIC_VENTS
Summary
Abstract:
Earthquake location maps for the NE Pacific have been accumulated
since August 29, 1991. The source location fixes are based on bearing and arrival time information at 3 to 11 SOSUS hydrophone sites. Source levels are estimated from received amplitudes and a simple transmission loss model. Animations of selected seismic swarms from volcanic activity recorded along the Juan de Fuca and Gorda Ridges are also available. In addition, a .wav file is available for download to listen to earthquake activity. These volcanic seismic swarms are characterized by downrift migrations of epicenters through time. Note that you will need an MPEG viewer for your Web client.
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