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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 #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 micro earthquake occurred at 1:44:39 PM (PDT) on Tuesday, October 1, 2013.
The magnitude 2.5 event occurred 4 km (2 miles) N (6 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).




Magnitude 2.5 - duration magnitude (Md)
Time Tuesday, October 1, 2013 at 1:44:39 PM (PDT)
Tuesday, October 1, 2013 at 20:44:39 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) N (6 degrees)
Kelseyville, CA - 16 km (10 miles) S (169 degrees)
Cloverdale, CA - 19 km (12 miles) E (80 degrees)
Santa Rosa, CA - 44 km (28 miles) N (350 degrees)
Coordinates 38 deg. 50.0 min. N (38.834N), 122 deg. 48.1 min. W (122.802W)
Depth 2.3 km (1.4 miles)
Quality Excellent
Location Quality Parameters Nst= 48, Nph= 48, Dmin=1 km, Rmss=0.06 sec, Erho=0.1 km, Erzz=0.2 km, Gp=32.4 degrees
Event ID nc72079621
Additional Information map || waveforms
Waveforms
NCSS First Motion Mechanism 1



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