== 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 5:59:30 AM (PDT) on Thursday, May 8, 2008.
The magnitude 2.2 event occurred 12 km (7 miles) WSW of Rio Dell, CA.
The hypocentral depth is 21 km (13 miles).


Magnitude 2.2 - duration magnitude (Md)
Time Thursday, May 8, 2008 at 5:59:30 AM (PDT)
Thursday, May 8, 2008 at 12:59:30 (UTC)
Distance from Rio Dell, CA - 12 km (7 miles) WSW (247 degrees)
Ferndale, CA - 14 km (9 miles) S (169 degrees)
Petrolia, CA - 15 km (10 miles) NNE (17 degrees)
Eureka, CA - 38 km (23 miles) S (189 degrees)
Sacramento, CA - 318 km (197 miles) NW (313 degrees)
Coordinates 40 deg. 27.4 min. N (40.457N), 124 deg. 14.0 min. W (124.233W)
Depth 20.6 km (12.8 miles)
Location Quality Fair
Location Quality Parameters Nst= 12, Nph= 12, Dmin=10 km, Rmss=0.03 sec, Erho=1 km, Erzz=0.4 km, Gp=198 degrees
Event ID# nc51202360
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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