== 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 4:52:30 PM (PDT) on Friday, September 12, 2008.
The magnitude 2.1 event occurred 3 km (2 miles) WNW of Anderson Springs, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 2.1 - duration magnitude (Md)
Time Friday, September 12, 2008 at 4:52:30 PM (PDT)
Friday, September 12, 2008 at 23:52:30 (UTC)
Distance from Anderson Springs, CA - 3 km (2 miles) WNW (290 degrees)
Cobb, CA - 6 km (4 miles) S (181 degrees)
The Geysers, CA - 7 km (5 miles) ESE (103 degrees)
Santa Rosa, CA - 37 km (23 miles) N (357 degrees)
Sacramento, CA - 112 km (69 miles) WNW (284 degrees)
Coordinates 38 deg. 47.0 min. N (38.784N), 122 deg. 43.4 min. W (122.724W)
Depth 1.9 km (1.2 miles)
Location Quality Excellent
Location Quality Parameters Nst= 21, Nph= 21, Dmin=1 km, Rmss=0.04 sec, Erho=0.2 km, Erzz=0.3 km, Gp=82.8 degrees
Event ID# nc51207988
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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