== 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 7:38:27 AM (PDT) on Tuesday, August 11, 2009.
The magnitude 0.4 event occurred 16 km (10 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 0.4 - duration magnitude (Md)
Time Tuesday, August 11, 2009 at 7:38:27 AM (PDT)
Tuesday, August 11, 2009 at 14:38:27 (UTC)
Distance from Mammoth Lakes, CA - 16 km (10 miles) SSE (159 degrees)
Toms Place, CA - 22 km (14 miles) WSW (253 degrees)
Round Valley, CA - 30 km (19 miles) WNW (290 degrees)
West Bishop, CA - 44 km (28 miles) WNW (291 degrees)
Sacramento, CA - 252 km (157 miles) ESE (117 degrees)
Coordinates 37 deg. 30.3 min. N (37.505N), 118 deg. 55.0 min. W (118.917W)
Depth 5.1 km (3.2 miles)
Location Quality Fair
Location Quality Parameters Nst= 10, Nph= 10, Dmin=12 km, Rmss=0.1 sec, Erho=0.3 km, Erzz=31.6 km, Gp=111.6 degrees
Event ID# nc71263391
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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