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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 9:02:49 AM (PST) on Sunday, December 1, 2019.
The magnitude 1.5 event occurred 13 km (8 miles) ESE of Alum Rock, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 1.5 - duration magnitude (Md)
Time Sunday, December 1, 2019 at 9:02:49 AM (PST)
Sunday, December 1, 2019 at 17:02:49 (UTC)
Distance from Alum Rock, CA - 13 km (8 miles) ESE (109 degrees)
East Foothills, CA - 13 km (8 miles) ESE (117 degrees)
Seven Trees, CA - 14 km (9 miles) ENE (70 degrees)
San Jose, CA - 18 km (11 miles) E (94 degrees)
Buena Vista, CA - 20 km (12 miles) E (87 degrees)
Coordinates 37 deg. 19.7 min. N (37.329N), 121 deg. 41.4 min. W (121.690W)
Depth 7.65 km (4.8 miles)
Quality Good
Location Quality Parameters Nst=10, Nph=10, Dmin=4.4 km, Rmss=0.08 sec, Erho=0.46 km, Erzz=0.91 km, Gp=105 degrees
Event ID# nc73310681
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