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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 10:57:31 PM (PDT) on Sunday, September 29, 2013.
The magnitude 1.7 event occurred 2 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).




Magnitude 1.7 - duration magnitude (Md)
Time Sunday, September 29, 2013 at 10:57:31 PM (PDT)
Monday, September 30, 2013 at 5:57:31 (UTC)
Distance from The Geysers, CA - 2 km (2 miles) NW (314 degrees)
Cloverdale, CA - 16 km (10 miles) E (87 degrees)
Kelseyville, CA - 18 km (11 miles) S (177 degrees)
Santa Rosa, CA - 43 km (27 miles) NNW (347 degrees)
Coordinates 38 deg. 48.8 min. N (38.814N), 122 deg. 49.6 min. W (122.827W)
Depth 2.8 km (1.7 miles)
Quality Excellent
Location Quality Parameters Nst= 33, Nph= 33, Dmin=1 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=0.3 km, Gp=46.8 degrees
Event ID nc72078951
Additional Information map || waveforms
Waveforms
NCSS First Motion Mechanism 1



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