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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 2:33:16 PM (PDT) on Friday, October 4, 2013.
The magnitude 0.5 event occurred 5 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).




Magnitude 0.5 - duration magnitude (Md)
Time Friday, October 4, 2013 at 2:33:16 PM (PDT)
Friday, October 4, 2013 at 21:33:16 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) NNW (342 degrees)
Kelseyville, CA - 15 km (9 miles) S (176 degrees)
Cloverdale, CA - 17 km (11 miles) ENE (76 degrees)
Santa Rosa, CA - 46 km (28 miles) NNW (348 degrees)
Coordinates 38 deg. 50.5 min. N (38.842N), 122 deg. 49.5 min. W (122.825W)
Depth 2.5 km (1.6 miles)
Quality Excellent
Location Quality Parameters Nst= 7, Nph= 7, Dmin=1 km, Rmss=0.06 sec, Erho=0.4 km, Erzz=0.8 km, Gp=82.8 degrees
Event ID nc72081081
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