== 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 1:09:34 PM (PDT) on Thursday, September 11, 2008.
The magnitude 2.7 event occurred 15 km (10 miles) SSE of Tres Pinos, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 2.7 - duration magnitude (Md)
Time Thursday, September 11, 2008 at 1:09:34 PM (PDT)
Thursday, September 11, 2008 at 20:09:34 (UTC)
Distance from Tres Pinos, CA - 15 km (10 miles) SSE (166 degrees)
Pinnacles, CA - 18 km (11 miles) NW (318 degrees)
Gonzales, CA - 22 km (14 miles) NE (42 degrees)
Hollister, CA - 24 km (15 miles) SSE (154 degrees)
San Jose City Hall, CA - 94 km (58 miles) SE (144 degrees)
Coordinates 36 deg. 39.3 min. N (36.654N), 121 deg. 16.8 min. W (121.279W)
Depth 7.3 km (4.5 miles)
Location Quality Excellent
Location Quality Parameters Nst= 95, Nph= 95, Dmin=1 km, Rmss=0.06 sec, Erho=0.1 km, Erzz=0.4 km, Gp=39.6 degrees
Event ID# nc51207934
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)
NCSN First Motion Mechanism 1
Waveforms

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

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