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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 11:19:22 PM (PDT) on Friday, October 4, 2013.
The magnitude 0.7 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).




Magnitude 0.7 - duration magnitude (Md)
Time Friday, October 4, 2013 at 11:19:22 PM (PDT)
Saturday, October 5, 2013 at 6:19:22 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (103 degrees)
Lower Lake, CA - 19 km (12 miles) SW (226 degrees)
Cloverdale, CA - 22 km (14 miles) E (94 degrees)
Santa Rosa, CA - 39 km (24 miles) N (354 degrees)
Coordinates 38 deg. 47.4 min. N (38.791N), 122 deg. 45.9 min. W (122.764W)
Depth 3.4 km (2.1 miles)
Quality Excellent
Location Quality Parameters Nst= 10, Nph= 10, Dmin=2 km, Rmss=0.04 sec, Erho=0.4 km, Erzz=1.4 km, Gp=82.8 degrees
Event ID nc72081281
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