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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 1:52:29 AM (PDT) on Thursday, May 8, 2008.
The magnitude 0.9 event occurred 22 km (14 miles) NW of Parkfield, CA.
The hypocentral depth is 0.3 km (0.2 miles).


Magnitude 0.9 - duration magnitude (Md)
Time Thursday, May 8, 2008 at 1:52:29 AM (PDT)
Thursday, May 8, 2008 at 8:52:29 (UTC)
Distance from Parkfield, CA - 22 km (14 miles) NW (311 degrees)
Bradley, CA - 25 km (16 miles) NE (42 degrees)
San Ardo, CA - 26 km (16 miles) E (88 degrees)
Coalinga, CA - 26 km (16 miles) WSW (242 degrees)
San Jose City Hall, CA - 185 km (115 miles) SE (142 degrees)
Coordinates 36 deg. 1.8 min. N (36.029N), 120 deg. 36.9 min. W (120.615W)
Depth 0.3 km (0.2 miles)
Location Quality Good
Location Quality Parameters Nst= 11, Nph= 11, Dmin=5 km, Rmss=0.11 sec, Erho=0.6 km, Erzz=4.3 km, Gp=129.6 degrees
Event ID# nc51202347
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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