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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 2:31:55 AM (PDT) on Monday, September 30, 2013.
The magnitude 0.9 event occurred 7 km (4 miles) E (97 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).




Magnitude 0.9 - duration magnitude (Md)
Time Monday, September 30, 2013 at 2:31:55 AM (PDT)
Monday, September 30, 2013 at 9:31:55 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) E (97 degrees)
Lower Lake, CA - 17 km (10 miles) SW (218 degrees)
Clearlake, CA - 21 km (13 miles) SSW (205 degrees)
Santa Rosa, CA - 39 km (24 miles) N (358 degrees)
Coordinates 38 deg. 47.4 min. N (38.790N), 122 deg. 43.6 min. W (122.727W)
Depth 2.4 km (1.5 miles)
Quality Excellent
Location Quality Parameters Nst= 11, Nph= 11, Dmin=1 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.7 km, Gp=57.6 degrees
Event ID nc72078976
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