== 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 6:28:04 AM (PDT) on Wednesday, May 6, 2009.
The magnitude 0.5 event occurred 15 km (9 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, May 6, 2009 at 6:28:04 AM (PDT)
Wednesday, May 6, 2009 at 13:28:04 (UTC)
Distance from Mammoth Lakes, CA - 15 km (9 miles) SE (144 degrees)
Toms Place, CA - 18 km (11 miles) WSW (258 degrees)
Round Valley, CA - 28 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. 31.7 min. N (37.529N), 118 deg. 52.8 min. W (118.879W)
Depth 7 km (4.3 miles)
Location Quality Good
Location Quality Parameters Nst= 13, Nph= 13, Dmin=8 km, Rmss=0.05 sec, Erho=0.3 km, Erzz=1.1 km, Gp=115.2 degrees
Event ID# nc71217591
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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