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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 3:41:28 AM (PST) on Thursday, January 10, 2019.
The magnitude 1.0 event occurred 7 km (4 miles) WSW of Alameda, CA.
The hypocentral depth is 11 km ( 7 miles).



Magnitude 1.0 - duration magnitude (Md)
Time Thursday, January 10, 2019 at 3:41:28 AM (PST)
Thursday, January 10, 2019 at 11:41:28 (UTC)
Distance from Alameda, CA - 7 km (4 miles) WSW (249 degrees)
Oakland, CA - 9 km (6 miles) SW (232 degrees)
San Francisco, CA - 10 km (6 miles) ESE (110 degrees)
Emeryville, CA - 10 km (6 miles) SSW (193 degrees)
Brisbane, CA - 11 km (7 miles) NE (48 degrees)
Coordinates 37 deg. 44.7 min. N (37.744N), 122 deg. 18.6 min. W (122.311W)
Depth 11.42 km (7.1 miles)
Quality Good
Location Quality Parameters Nst=18, Nph=20, Dmin=11.0 km, Rmss=0.05 sec, Erho=0.35 km, Erzz=0.54 km, Gp=118 degrees
Event ID# nc73131561
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