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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 3:47:43 PM (PDT) on Friday, May 22, 2020.
The magnitude 1.8 event occurred 9 km (6 miles) ESE of East Foothills, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 1.8 - duration magnitude (Md)
Time Friday, May 22, 2020 at 3:47:43 PM (PDT)
Friday, May 22, 2020 at 22:47:43 (UTC)
Distance from East Foothills, CA - 9 km (6 miles) ESE (106 degrees)
Alum Rock, CA - 10 km (6 miles) E (95 degrees)
Seven Trees, CA - 13 km (8 miles) NE (54 degrees)
San Jose, CA - 16 km (10 miles) E (83 degrees)
Buena Vista, CA - 18 km (11 miles) ENE (77 degrees)
Coordinates 37 deg. 21.5 min. N (37.358N), 121 deg. 42.9 min. W (121.715W)
Depth 8.4 km (5.2 miles)
Quality Excellent
Location Quality Parameters Nst=32, Nph=30, Dmin=5.0 km, Rmss=0.06 sec, Erho=0.19 km, Erzz=0.39 km, Gp=43 degrees
Event ID# nc73393586
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