== 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 4:21:18 PM (PDT) on Tuesday, May 5, 2009.
The magnitude 0.9 event occurred 1 km (1 miles) E of The Geysers, CA.
The hypocentral depth is 0 km (0.0 miles).


Magnitude 0.9 - duration magnitude (Md)
Time Tuesday, May 5, 2009 at 4:21:18 PM (PDT)
Tuesday, May 5, 2009 at 23:21:18 (UTC)
Distance from The Geysers, CA - 1 km (1 miles) E (85 degrees)
Cobb, CA - 7 km (4 miles) SW (236 degrees)
Anderson Springs, CA - 9 km (6 miles) WNW (288 degrees)
Santa Rosa, CA - 40 km (25 miles) N (349 degrees)
Sacramento, CA - 118 km (73 miles) WNW (284 degrees)
Coordinates 38 deg. 48.0 min. N (38.799N), 122 deg. 47.4 min. W (122.790W)
Depth 0 km (0.0 miles)
Location Quality Good
Location Quality Parameters Nst= 14, Nph= 14, Dmin=1 km, Rmss=0.05 sec, Erho=0.1 km, Erzz=0.5 km, Gp=97.2 degrees
Event ID# nc51221083
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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