== 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 4:17:57 PM (PDT) on Saturday, May 2, 2009.
The magnitude 0.9 event occurred 2 km (1 miles) N of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.9 - duration magnitude (Md)
Time Saturday, May 2, 2009 at 4:17:57 PM (PDT)
Saturday, May 2, 2009 at 23:17:57 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) N (354 degrees)
Cobb, CA - 8 km (5 miles) WSW (255 degrees)
Anderson Springs, CA - 11 km (7 miles) WNW (295 degrees)
Santa Rosa, CA - 42 km (26 miles) NNW (348 degrees)
Sacramento, CA - 120 km (74 miles) WNW (284 degrees)
Coordinates 38 deg. 49.0 min. N (38.817N), 122 deg. 48.5 min. W (122.809W)
Depth 1.8 km (1.1 miles)
Location Quality Excellent
Location Quality Parameters Nst= 14, Nph= 14, Dmin=1 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.5 km, Gp=64.8 degrees
Event ID# nc51220888
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)
Waveforms

Did you feel it? || Shake Map North
For more information, see http://quake.wr.usgs.gov/ || Contacts

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