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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 9:36:46 AM (PDT) on Thursday, May 8, 2008.
The magnitude 1.5 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Thursday, May 8, 2008 at 9:36:46 AM (PDT)
Thursday, May 8, 2008 at 16:36:46 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (308 degrees)
Cobb, CA - 12 km (8 miles) W (270 degrees)
Cloverdale, CA - 14 km (8 miles) ENE (73 degrees)
Santa Rosa, CA - 45 km (28 miles) NNW (342 degrees)
San Francisco City Hall, CA - 124 km (77 miles) NNW (342 degrees)
Coordinates 38 deg. 50.1 min. N (38.834N), 122 deg. 52.0 min. W (122.867W)
Depth 2.8 km (1.7 miles)
Location Quality Good
Location Quality Parameters Nst= 11, Nph= 11, Dmin=1 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.4 km, Gp=115.2 degrees
Event ID# nc51202371
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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