== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR

Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A microearthquake occurred at 5:37:52 PM (PDT) on Tuesday, May 5, 2009.
The magnitude 1.5 event occurred 13 km (8 miles) SW of Toms Place, CA.
The hypocentral depth is 12 km ( 8 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Tuesday, May 5, 2009 at 5:37:52 PM (PDT)
Wednesday, May 6, 2009 at 0:37:52 (UTC)
Distance from Toms Place, CA - 13 km (8 miles) SW (221 degrees)
Round Valley, CA - 17 km (11 miles) WNW (291 degrees)
Mammoth Lakes, CA - 25 km (16 miles) SE (136 degrees)
West Bishop, CA - 32 km (20 miles) WNW (293 degrees)
Sacramento, CA - 265 km (164 miles) ESE (116 degrees)
Coordinates 37 deg. 28.2 min. N (37.471N), 118 deg. 46.8 min. W (118.780W)
Depth 12.2 km (7.6 miles)
Location Quality Good
Location Quality Parameters Nst= 32, Nph= 32, Dmin=5 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.7 km, Gp=111.6 degrees
Event ID# nc51221086
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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