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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 #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.


A micro earthquake occurred at 2:05:04 PM (PDT) on Wednesday, May 1, 2013.
The magnitude 1.9 event occurred 5 km (3 miles) NNW of Punta Gorda, CA.
The hypocentral depth is 7 km ( 4 miles).




Magnitude 1.9 - duration magnitude (Md)
Time Wednesday, May 1, 2013 at 2:05:04 PM (PDT)
Wednesday, May 1, 2013 at 21:05:04 (UTC)
Distance from Punta Gorda, CA - 5 km (3 miles) NNW (333 degrees)
Petrolia, CA - 9 km (6 miles) WSW (255 degrees)
Ferndale, CA - 32 km (20 miles) SSW (199 degrees)
Eureka, CA - 59 km (36 miles) SSW (199 degrees)
Coordinates 40 deg. 18.2 min. N (40.303N), 124 deg. 23.4 min. W (124.390W)
Depth 6.8 km (4.2 miles)
Quality Fair
Location Quality Parameters Nst= 13, Nph= 13, Dmin=9 km, Rmss=0.1 sec, Erho=0.6 km, Erzz=0.8 km, Gp=248.4 degrees
Event ID nc71071244
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