== 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 7:10:53 AM (PDT) on Tuesday, September 9, 2008.
The magnitude 1.0 event occurred 3 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, September 9, 2008 at 7:10:53 AM (PDT)
Tuesday, September 9, 2008 at 14:10:53 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) ESE (110 degrees)
Cobb, CA - 7 km (4 miles) SW (217 degrees)
Anderson Springs, CA - 7 km (4 miles) WNW (282 degrees)
Santa Rosa, CA - 38 km (24 miles) N (352 degrees)
Sacramento, CA - 116 km (72 miles) WNW (283 degrees)
Coordinates 38 deg. 47.3 min. N (38.788N), 122 deg. 46.1 min. W (122.769W)
Depth 1.8 km (1.1 miles)
Location Quality Good
Location Quality Parameters Nst= 10, Nph= 10, Dmin=3 km, Rmss=0.04 sec, Erho=0.4 km, Erzz=1 km, Gp=140.4 degrees
Event ID# nc51207876
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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