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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 8:26:22 PM (PDT) on Wednesday, May 7, 2008.
The magnitude 0.8 event occurred 1 km (1 miles) N of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 0.8 - duration magnitude (Md)
Time Wednesday, May 7, 2008 at 8:26:22 PM (PDT)
Thursday, May 8, 2008 at 3:26:22 (UTC)
Distance from The Geysers, CA - 1 km (1 miles) N (357 degrees)
Cobb, CA - 8 km (5 miles) WSW (248 degrees)
Anderson Springs, CA - 11 km (7 miles) WNW (290 degrees)
Santa Rosa, CA - 41 km (25 miles) NNW (347 degrees)
San Francisco City Hall, CA - 120 km (74 miles) NNW (344 degrees)
Coordinates 38 deg. 48.5 min. N (38.808N), 122 deg. 48.4 min. W (122.807W)
Depth 1.3 km (0.8 miles)
Location Quality Excellent
Location Quality Parameters Nst= 8, Nph= 8, Dmin=2 km, Rmss=0.04 sec, Erho=0.2 km, Erzz=0.9 km, Gp=75.6 degrees
Event ID# nc51202329
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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