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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 5:49:46 AM (PDT) on Tuesday, October 1, 2013.
The magnitude 0.4 event occurred 5 km (3 miles) E (86 degrees) of The Geysers, CA.
The hypocentral depth is 1 km (0.4 miles).




Magnitude 0.4 - duration magnitude (Md)
Time Tuesday, October 1, 2013 at 5:49:46 AM (PDT)
Tuesday, October 1, 2013 at 12:49:46 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) E (86 degrees)
Lower Lake, CA - 17 km (11 miles) SW (225 degrees)
Clearlake, CA - 20 km (13 miles) SSW (212 degrees)
Santa Rosa, CA - 40 km (25 miles) N (356 degrees)
Coordinates 38 deg. 48.1 min. N (38.802N), 122 deg. 44.9 min. W (122.749W)
Depth 0.7 km (0.4 miles)
Quality Excellent
Location Quality Parameters Nst= 8, Nph= 8, Dmin=3 km, Rmss=0.03 sec, Erho=0.3 km, Erzz=1.5 km, Gp=90 degrees
Event ID nc72075990
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