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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 9:51:28 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 0.6 event occurred 6 km (4 miles) SSW of Millbrae, CA.
The hypocentral depth is 8 km ( 5 miles).




Magnitude 0.6 - duration magnitude (Md)
Time Tuesday, May 7, 2013 at 9:51:28 PM (PDT)
Wednesday, May 8, 2013 at 4:51:28 (UTC)
Distance from Millbrae, CA - 6 km (4 miles) SSW (212 degrees)
Burlingame, CA - 6 km (4 miles) WSW (237 degrees)
El Granada, CA - 7 km (4 miles) NE (36 degrees)
San Francisco City Hall, CA - 25 km (15 miles) S (181 degrees)
Coordinates 37 deg. 33.2 min. N (37.554N), 122 deg. 25.3 min. W (122.422W)
Depth 8 km (5.0 miles)
Quality Excellent
Location Quality Parameters Nst= 9, Nph= 9, Dmin=3 km, Rmss=0.08 sec, Erho=0.8 km, Erzz=1.6 km, Gp=79.2 degrees
Event ID nc71987661
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