== 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 3:12:07 AM (PST) on Tuesday, November 4, 2008.
The magnitude 1.0 event occurred 4 km (3 miles) NE of The Geysers, CA.
The hypocentral depth is 0.3 km (0.2 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, November 4, 2008 at 3:12:07 AM (PST)
Tuesday, November 4, 2008 at 11:12:07 (UTC)
Distance from The Geysers, CA - 4 km (3 miles) NE (52 degrees)
Cobb, CA - 4 km (3 miles) WSW (249 degrees)
Anderson Springs, CA - 8 km (5 miles) NW (307 degrees)
Santa Rosa, CA - 42 km (26 miles) N (352 degrees)
Sacramento, CA - 117 km (73 miles) WNW (285 degrees)
Coordinates 38 deg. 49.2 min. N (38.821N), 122 deg. 46.2 min. W (122.770W)
Depth 0.3 km (0.2 miles)
Location Quality Excellent
Location Quality Parameters Nst= 12, Nph= 12, Dmin=2 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=1 km, Gp=79.2 degrees
Event ID# nc51210586
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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