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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 9:00:33 PM (PDT) on Thursday, May 8, 2008.
The magnitude 0.9 event occurred 4 km (2 miles) NNE of The Geysers, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.9 - duration magnitude (Md)
Time Thursday, May 8, 2008 at 9:00:33 PM (PDT)
Friday, May 9, 2008 at 4:00:33 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) NNE (22 degrees)
Cobb, CA - 6 km (4 miles) W (264 degrees)
Anderson Springs, CA - 10 km (6 miles) NW (305 degrees)
Santa Rosa, CA - 43 km (27 miles) N (350 degrees)
Sacramento, CA - 119 km (74 miles) WNW (285 degrees)
Coordinates 38 deg. 49.8 min. N (38.830N), 122 deg. 47.4 min. W (122.790W)
Depth 5.7 km (3.5 miles)
Location Quality Fair
Location Quality Parameters Nst= 13, Nph= 13, Dmin=2 km, Rmss=0.1 sec, Erho=1.1 km, Erzz=0.7 km, Gp=201.6 degrees
Event ID# nc51202390
Additional Information 2-degree map
Google Earth KML (Requires Google Earth.)

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

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