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Southern California Earthquake Data Center

Recent Earthquakes

Recent Earthquakes in California and Nevada

== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California

Version #0: 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 micro earthquake occurred at 10:02:44 AM (PDT) on Saturday, May 4, 2013.
The magnitude 0.8 event occurred 1 km (1 miles) NE (56 degrees) of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).




Magnitude 0.8 - duration magnitude (Md)
Time Saturday, May 4, 2013 at 10:02:44 AM (PDT)
Saturday, May 4, 2013 at 17:02:44 (UTC)
Distance from The Geysers, CA - 1 km (1 miles) NE (56 degrees)
Cloverdale, CA - 19 km (12 miles) E (90 degrees)
Kelseyville, CA - 20 km (12 miles) SSE (168 degrees)
Santa Rosa, CA - 41 km (26 miles) N (350 degrees)
Coordinates 38 deg. 48.3 min. N (38.806N), 122 deg. 47.6 min. W (122.793W)
Depth 1.4 km (0.9 miles)
Quality Excellent
Location Quality Parameters Nst= 13, Nph= 13, Dmin=0 km, Rmss=0.02 sec, Erho=0.3 km, Erzz=0.7 km, Gp=90 degrees
Event ID nc71985306
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