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== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California

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 micro earthquake occurred at 02:24:06 PM (PDT) on Sunday, May 11, 2008.
The magnitude 0.9 event occurred 5 km (3 miles) WSW of Anderson Springs, CA.
The hypocentral depth is 1 km (0.4 miles).


Waveforms
Magnitude 0.9 - duration magnitude (Md)
Time Sunday, May 11, 2008 at 02:24:06 PM (PDT)
Sunday, May 11, 2008 at 21:24:06 (UTC)
Distance from Anderson Springs, CA - 5 km (3 miles) WSW (240 degrees)
The Geysers, CA - 8 km (5 miles) SE (130 degrees)
Healdsburg, CA - 20 km (12 miles) NE (35 degrees)
Santa Rosa, CA - 35 km (22 miles) N (356 degrees)
Coordinates 38 deg. 45.3 min. N (38.754N), 122 deg. 44.3 min. W (122.738W)
Depth 0.6 km (0.4 miles)
Quality Good
Location Quality Parameters Nst= 8, Nph= 8, Dmin=1 km, Rmss=0.02 sec, Erho=0.4 km, Erzz=0.3 km, Gp=165.6 degrees
Event ID# nc51202539
Additional Information map || waveforms

Did you feel it? || Shake Map North
For more information, see http://quake.wr.usgs.gov/ || Contacts

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