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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 11:30:56 PM (PDT) on Thursday, October 3, 2013.
The magnitude 1.3 event occurred 7 km (4 miles) NE (56 degrees) of The Geysers, CA.
The hypocentral depth is 0.2 km (0.1 miles).




Magnitude 1.3 - duration magnitude (Md)
Time Thursday, October 3, 2013 at 11:30:56 PM (PDT)
Friday, October 4, 2013 at 6:30:56 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NE (56 degrees)
Lower Lake, CA - 14 km (9 miles) SW (233 degrees)
Clearlake, CA - 17 km (11 miles) SW (216 degrees)
Santa Rosa, CA - 44 km (27 miles) N (357 degrees)
Coordinates 38 deg. 50.0 min. N (38.834N), 122 deg. 44.4 min. W (122.740W)
Depth 0.2 km (0.1 miles)
Quality Good
Location Quality Parameters Nst= 8, Nph= 8, Dmin=3 km, Rmss=0.05 sec, Erho=0.3 km, Erzz=2.9 km, Gp=108 degrees
Event ID nc72080841
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