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== 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 2:11:15 AM (PST) on Tuesday, November 4, 2008.
The magnitude 1.7 event occurred 2 km (1 miles) ENE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.7 - duration magnitude (Md)
Time Tuesday, November 4, 2008 at 2:11:15 AM (PST)
Tuesday, November 4, 2008 at 10:11:15 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) ENE (62 degrees)
Cobb, CA - 6 km (4 miles) WSW (240 degrees)
Anderson Springs, CA - 9 km (6 miles) WNW (293 degrees)
Santa Rosa, CA - 40 km (25 miles) N (350 degrees)
Sacramento, CA - 118 km (73 miles) WNW (284 degrees)
Coordinates 38 deg. 48.4 min. N (38.806N), 122 deg. 47.2 min. W (122.787W)
Depth 1 km (0.6 miles)
Location Quality Excellent
Location Quality Parameters Nst= 23, Nph= 23, Dmin=1 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=0.4 km, Gp=46.8 degrees
Event ID# nc51210583
Additional Information 2-degree map
Google Earth KML (Requires Google Earth.)
Waveforms

For more information, see http://quake.wr.usgs.gov/

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