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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 11:07:37 PM (PDT) on Friday, October 4, 2013.
The magnitude 1.0 event occurred 1 km (0 miles) ENE (67 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).




Magnitude 1.0 - duration magnitude (Md)
Time Friday, October 4, 2013 at 11:07:37 PM (PDT)
Saturday, October 5, 2013 at 6:07:37 (UTC)
Distance from The Geysers, CA - 1 km (0 miles) ENE (67 degrees)
Cloverdale, CA - 19 km (12 miles) E (91 degrees)
Kelseyville, CA - 20 km (12 miles) S (170 degrees)
Santa Rosa, CA - 41 km (25 miles) N (350 degrees)
Coordinates 38 deg. 48.1 min. N (38.801N), 122 deg. 47.9 min. W (122.799W)
Depth 2.9 km (1.8 miles)
Quality Excellent
Location Quality Parameters Nst= 18, Nph= 18, Dmin=1 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.4 km, Gp=75.6 degrees
Event ID nc72081276
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