== 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 4:18:20 AM (PST) on Monday, January 5, 2009.
The magnitude 0.5 event occurred 4 km (2 miles) WNW of Anderson Springs, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.5 - duration magnitude (Md)
Time Monday, January 5, 2009 at 4:18:20 AM (PST)
Monday, January 5, 2009 at 12:18:20 (UTC)
Distance from Anderson Springs, CA - 4 km (2 miles) WNW (283 degrees)
Cobb, CA - 6 km (4 miles) S (190 degrees)
The Geysers, CA - 7 km (4 miles) ESE (105 degrees)
Santa Rosa, CA - 37 km (23 miles) N (356 degrees)
Sacramento, CA - 113 km (70 miles) WNW (283 degrees)
Coordinates 38 deg. 47.0 min. N (38.783N), 122 deg. 44.0 min. W (122.734W)
Depth 2.3 km (1.4 miles)
Location Quality Good
Location Quality Parameters Nst= 8, Nph= 8, Dmin=0 km, Rmss=0.05 sec, Erho=0.5 km, Erzz=1 km, Gp=104.4 degrees
Event ID# nc51214678
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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