== 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 4:19:07 AM (PST) on Tuesday, November 4, 2008.
The magnitude 1.8 event occurred 3 km (2 miles) N of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Tuesday, November 4, 2008 at 4:19:07 AM (PST)
Tuesday, November 4, 2008 at 12:19:07 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) N (3 degrees)
Cobb, CA - 7 km (4 miles) W (260 degrees)
Anderson Springs, CA - 11 km (7 miles) WNW (299 degrees)
Santa Rosa, CA - 43 km (26 miles) NNW (348 degrees)
Sacramento, CA - 120 km (74 miles) WNW (285 degrees)
Coordinates 38 deg. 49.4 min. N (38.824N), 122 deg. 48.3 min. W (122.805W)
Depth 3.1 km (1.9 miles)
Location Quality Excellent
Location Quality Parameters Nst= 26, Nph= 26, Dmin=2 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.5 km, Gp=43.2 degrees
Event ID# nc51210589
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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