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


A micro earthquake occurred at 11:38:22 PM (PDT) on Monday, May 6, 2013.
The magnitude 1.4 event occurred 16 km (10 miles) E (87 degrees) of Rio Dell, CA.
The hypocentral depth is 21 km (13 miles).




Magnitude 1.4 - duration magnitude (Md)
Time Monday, May 6, 2013 at 11:38:22 PM (PDT)
Tuesday, May 7, 2013 at 6:38:22 (UTC)
Distance from Rio Dell, CA - 16 km (10 miles) E (87 degrees)
Hydesville, CA - 16 km (10 miles) ESE (106 degrees)
Fortuna, CA - 22 km (14 miles) ESE (116 degrees)
Eureka, CA - 39 km (24 miles) SSE (148 degrees)
Coordinates 40 deg. 30.5 min. N (40.508N), 123 deg. 55.1 min. W (123.918W)
Depth 21.4 km (13.3 miles)
Quality Good
Location Quality Parameters Nst= 15, Nph= 15, Dmin=10 km, Rmss=0.12 sec, Erho=0.6 km, Erzz=0.7 km, Gp=100.8 degrees
Event ID nc71071489
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