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


A micro earthquake occurred at 5:32:52 PM (PDT) on Sunday, September 29, 2013.
The magnitude 2.8 event occurred 6 km (4 miles) E (82 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).




Magnitude 2.8 - duration magnitude (Md)
Time Sunday, September 29, 2013 at 5:32:52 PM (PDT)
Monday, September 30, 2013 at 0:32:52 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) E (82 degrees)
Lower Lake, CA - 16 km (10 miles) SW (224 degrees)
Clearlake, CA - 20 km (12 miles) SSW (210 degrees)
Santa Rosa, CA - 41 km (25 miles) N (357 degrees)
Coordinates 38 deg. 48.3 min. N (38.806N), 122 deg. 44.3 min. W (122.738W)
Depth 2.7 km (1.7 miles)
Quality Excellent
Location Quality Parameters Nst= 87, Nph= 87, Dmin=2 km, Rmss=0.07 sec, Erho=0.1 km, Erzz=0.2 km, Gp=57.6 degrees
Event ID nc72078826
Additional Information map || waveforms
Waveforms
NCSS First Motion Mechanism 1



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