== 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 11:57:07 AM (PDT) on Wednesday, May 6, 2009.
The magnitude 1.3 event occurred 7 km (4 miles) SW of Mineral, CA.
The hypocentral depth is 19 km (12 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Wednesday, May 6, 2009 at 11:57:07 AM (PDT)
Wednesday, May 6, 2009 at 18:57:07 (UTC)
Distance from Mineral, CA - 7 km (4 miles) SW (231 degrees)
Manton, CA - 23 km (14 miles) ESE (120 degrees)
Viola, CA - 23 km (14 miles) S (170 degrees)
Chico, CA - 66 km (41 miles) NNE (15 degrees)
Sacramento, CA - 196 km (122 miles) N (356 degrees)
Coordinates 40 deg. 18.9 min. N (40.316N), 121 deg. 37.9 min. W (121.632W)
Depth 19 km (11.8 miles)
Location Quality Poor
Location Quality Parameters Nst= 9, Nph= 9, Dmin=19 km, Rmss=0.17 sec, Erho=5 km, Erzz=14.3 km, Gp=237.6 degrees
Event ID# nc51221125
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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