Other NE Pacific Seismicity:

• Latest Seismicity events
• Source Location Data

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.

Maps:

Earthquake data files:

Earthquake locations for the NE Pacific are currently being processed from archived data and made available as each quarter is completed. The data is monitored in real-time for any current seismic events.