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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 #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.


A micro earthquake occurred at 4:42:37 AM (PDT) on Friday, May 3, 2013.
The magnitude 0.6 event occurred 3 km (2 miles) NNW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).




Magnitude 0.6 - duration magnitude (Md)
Time Friday, May 3, 2013 at 4:42:37 AM (PDT)
Friday, May 3, 2013 at 11:42:37 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) NNW (327 degrees)
Cloverdale, CA - 17 km (10 miles) E (85 degrees)
Kelseyville, CA - 18 km (11 miles) S (176 degrees)
Santa Rosa, CA - 43 km (27 miles) NNW (347 degrees)
Coordinates 38 deg. 49.0 min. N (38.817N), 122 deg. 49.4 min. W (122.823W)
Depth 4 km (2.5 miles)
Quality Excellent
Location Quality Parameters Nst= 13, Nph= 13, Dmin=1 km, Rmss=0.04 sec, Erho=0.6 km, Erzz=1 km, Gp=75.6 degrees
Event ID nc71984646
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