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== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR

Version #1: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A microearthquake occurred at 10:25:37 AM (PDT) on Thursday, May 8, 2008.
The magnitude 1.3 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Thursday, May 8, 2008 at 10:25:37 AM (PDT)
Thursday, May 8, 2008 at 17:25:37 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (104 degrees)
Cobb, CA - 6 km (4 miles) SW (218 degrees)
Anderson Springs, CA - 7 km (4 miles) WNW (285 degrees)
Santa Rosa, CA - 38 km (24 miles) N (352 degrees)
Sacramento, CA - 116 km (72 miles) WNW (283 degrees)
Coordinates 38 deg. 47.4 min. N (38.790N), 122 deg. 46.0 min. W (122.767W)
Depth 4.7 km (2.9 miles)
Location Quality Good
Location Quality Parameters Nst= 18, Nph= 18, Dmin=1 km, Rmss=0.07 sec, Erho=0.4 km, Erzz=0.8 km, Gp=129.6 degrees
Event ID# nc51202373
Additional Information 2-degree map
Google Earth KML (Requires Google Earth.)
Waveforms

For more information, see http://quake.wr.usgs.gov/

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