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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 0:25:46 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.3 event occurred 2 km (1 miles) NE (43 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).




Magnitude 0.3 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 0:25:46 AM (PDT)
Wednesday, May 8, 2013 at 7:25:46 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NE (43 degrees)
Cloverdale, CA - 19 km (12 miles) E (89 degrees)
Kelseyville, CA - 19 km (12 miles) S (169 degrees)
Santa Rosa, CA - 42 km (26 miles) N (350 degrees)
Coordinates 38 deg. 48.5 min. N (38.808N), 122 deg. 47.7 min. W (122.795W)
Depth 3.2 km (2.0 miles)
Quality Excellent
Location Quality Parameters Nst= 34, Nph= 34, Dmin=0 km, Rmss=0.04 sec, Erho=0.2 km, Erzz=0.3 km, Gp=61.2 degrees
Event ID nc71987781
Additional Information map || waveforms
Waveforms
NCSS First Motion Mechanism 1
NCSS First Motion Mechanism 2
NCSS First Motion Mechanism 3
NCSS First Motion Mechanism 4



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