== 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 6:32:57 AM (PDT) on Tuesday, May 5, 2009.
The magnitude 0.9 event occurred 2 km (2 miles) N of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 0.9 - duration magnitude (Md)
Time Tuesday, May 5, 2009 at 6:32:57 AM (PDT)
Tuesday, May 5, 2009 at 13:32:57 (UTC)
Distance from The Geysers, CA - 2 km (2 miles) N (8 degrees)
Cobb, CA - 7 km (4 miles) WSW (256 degrees)
Anderson Springs, CA - 11 km (7 miles) WNW (297 degrees)
Santa Rosa, CA - 42 km (26 miles) NNW (348 degrees)
Sacramento, CA - 119 km (74 miles) WNW (285 degrees)
Coordinates 38 deg. 49.2 min. N (38.820N), 122 deg. 48.2 min. W (122.803W)
Depth 2.9 km (1.8 miles)
Location Quality Good
Location Quality Parameters Nst= 14, Nph= 14, Dmin=1 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.5 km, Gp=111.6 degrees
Event ID# nc51221064
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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