== 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 7:04:21 AM (PDT) on Tuesday, May 5, 2009.
The magnitude 1.8 event occurred 14 km (9 miles) SW of Toms Place, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Tuesday, May 5, 2009 at 7:04:21 AM (PDT)
Tuesday, May 5, 2009 at 14:04:21 (UTC)
Distance from Toms Place, CA - 14 km (9 miles) SW (233 degrees)
Round Valley, CA - 20 km (13 miles) WNW (293 degrees)
Mammoth Lakes, CA - 23 km (14 miles) SE (138 degrees)
West Bishop, CA - 35 km (22 miles) WNW (294 degrees)
Sacramento, CA - 262 km (163 miles) ESE (116 degrees)
Coordinates 37 deg. 29.2 min. N (37.486N), 118 deg. 48.5 min. W (118.808W)
Depth 7.8 km (4.8 miles)
Location Quality Good
Location Quality Parameters Nst= 34, Nph= 34, Dmin=8 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.7 km, Gp=108 degrees
Event ID# nc51221066
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)
NCSN First Motion Mechanism 1
NCSN First Motion Mechanism 2
Waveforms

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

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