== 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 7:46:12 AM (PDT) on Wednesday, May 6, 2009.
The magnitude 0.6 event occurred 4 km (3 miles) WNW of Anderson Springs, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.6 - duration magnitude (Md)
Time Wednesday, May 6, 2009 at 7:46:12 AM (PDT)
Wednesday, May 6, 2009 at 14:46:12 (UTC)
Distance from Anderson Springs, CA - 4 km (3 miles) WNW (288 degrees)
Cobb, CA - 6 km (3 miles) SSW (193 degrees)
The Geysers, CA - 6 km (4 miles) ESE (103 degrees)
Santa Rosa, CA - 38 km (23 miles) N (356 degrees)
Sacramento, CA - 113 km (70 miles) WNW (284 degrees)
Coordinates 38 deg. 47.2 min. N (38.786N), 122 deg. 44.2 min. W (122.737W)
Depth 2 km (1.2 miles)
Location Quality Good
Location Quality Parameters Nst= 8, Nph= 8, Dmin=2 km, Rmss=0.04 sec, Erho=0.4 km, Erzz=0.9 km, Gp=108 degrees
Event ID# nc51221114
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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