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== 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 4:29:05 PM (PST) on Thursday, February 13, 2020.
The magnitude 0.7 event occurred 8 km (5 miles) NNE (33 degrees) of East Foothills, CA.
The hypocentral depth is 7 km ( 4 miles).



Magnitude 0.7 - duration magnitude (Md)
Time Thursday, February 13, 2020 at 4:29:05 PM (PST)
Friday, February 14, 2020 at 0:29:05 (UTC)
Distance from East Foothills, CA - 8 km (5 miles) NNE (33 degrees)
Alum Rock, CA - 10 km (6 miles) NNE (32 degrees)
Milpitas, CA - 12 km (8 miles) E (84 degrees)
San Jose, CA - 16 km (10 miles) NE (45 degrees)
Seven Trees, CA - 18 km (11 miles) NNE (20 degrees)
Coordinates 37 deg. 26.4 min. N (37.440N), 121 deg. 46.1 min. W (121.769W)
Depth 7.18 km (4.5 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=15, Dmin=3.0 km, Rmss=0.04 sec, Erho=0.35 km, Erzz=0.71 km, Gp=99 degrees
Event ID# nc73340835
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