== 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 11:09:47 AM (PDT) on Friday, May 8, 2009.
The magnitude 0.5 event occurred 15 km (10 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 0.5 - duration magnitude (Md)
Time Friday, May 8, 2009 at 11:09:47 AM (PDT)
Friday, May 8, 2009 at 18:09:47 (UTC)
Distance from Mammoth Lakes, CA - 15 km (10 miles) SE (143 degrees)
Toms Place, CA - 18 km (11 miles) WSW (257 degrees)
Round Valley, CA - 27 km (17 miles) WNW (297 degrees)
West Bishop, CA - 42 km (26 miles) WNW (296 degrees)
Sacramento, CA - 254 km (158 miles) ESE (116 degrees)
Coordinates 37 deg. 31.6 min. N (37.527N), 118 deg. 52.5 min. W (118.874W)
Depth 6.8 km (4.2 miles)
Location Quality Good
Location Quality Parameters Nst= 13, Nph= 13, Dmin=8 km, Rmss=0.03 sec, Erho=0.4 km, Erzz=1.2 km, Gp=115.2 degrees
Event ID# nc71218426
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)

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

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