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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 9:50:37 AM (PDT) on Friday, October 4, 2013.
The magnitude 0.8 event occurred 1 km (0 miles) ESE of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).




Magnitude 0.8 - duration magnitude (Md)
Time Friday, October 4, 2013 at 9:50:37 AM (PDT)
Friday, October 4, 2013 at 16:50:37 (UTC)
Distance from The Geysers, CA - 1 km (0 miles) ESE (112 degrees)
Cloverdale, CA - 19 km (12 miles) E (93 degrees)
Kelseyville, CA - 21 km (13 miles) S (171 degrees)
Santa Rosa, CA - 40 km (25 miles) N (349 degrees)
Coordinates 38 deg. 47.8 min. N (38.796N), 122 deg. 48.0 min. W (122.800W)
Depth 3.4 km (2.1 miles)
Quality Excellent
Location Quality Parameters Nst= 13, Nph= 13, Dmin=1 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.7 km, Gp=79.2 degrees
Event ID nc72080971
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