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== 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 1:37:26 PM (PST) on Thursday, December 6, 2018.
The magnitude 1.1 event occurred 2 km (1 miles) NNE (17 degrees) of Berkeley, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 1.1 - duration magnitude (Md)
Time Thursday, December 6, 2018 at 1:37:26 PM (PST)
Thursday, December 6, 2018 at 21:37:26 (UTC)
Distance from Berkeley, CA - 2 km (1 miles) NNE (17 degrees)
Albany, CA - 3 km (2 miles) E (87 degrees)
Kensington, CA - 3 km (2 miles) SSE (157 degrees)
El Cerrito, CA - 5 km (3 miles) SE (129 degrees)
Emeryville, CA - 6 km (4 miles) NNE (13 degrees)
Coordinates 37 deg. 53.3 min. N (37.888N), 122 deg. 16.1 min. W (122.268W)
Depth 4.06 km (2.5 miles)
Quality Excellent
Location Quality Parameters Nst=30, Nph=35, Dmin=1.7 km, Rmss=0.07 sec, Erho=0.17 km, Erzz=0.24 km, Gp=74 degrees
Event ID# nc73119681
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