== 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 12:32:00 PM (PDT) on Tuesday, May 5, 2009.
The magnitude 1.0 event occurred 11 km (7 miles) E of Mammoth Lakes, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, May 5, 2009 at 12:32:00 PM (PDT)
Tuesday, May 5, 2009 at 19:32:00 (UTC)
Distance from Mammoth Lakes, CA - 11 km (7 miles) E (98 degrees)
Toms Place, CA - 17 km (11 miles) WNW (294 degrees)
Round Valley, CA - 33 km (20 miles) NW (315 degrees)
Lee Vining, CA - 44 km (27 miles) SSE (148 degrees)
Sacramento, CA - 251 km (156 miles) ESE (114 degrees)
Coordinates 37 deg. 37.5 min. N (37.624N), 118 deg. 51.5 min. W (118.859W)
Depth 3.4 km (2.1 miles)
Location Quality Good
Location Quality Parameters Nst= 9, Nph= 9, Dmin=2 km, Rmss=0.02 sec, Erho=0.5 km, Erzz=1.3 km, Gp=108 degrees
Event ID# nc51221071
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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