Recent Earthquakes in California and Nevada


== 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 2:09:32 AM (PDT) on Sunday, July 18, 2021.
The magnitude 1.6 event occurred 15 km (9 miles) E (87 degrees) of Seven Trees, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.6 - duration magnitude (Md)
Time Sunday, July 18, 2021 at 2:09:32 AM (PDT)
Sunday, July 18, 2021 at 9:09:32 (UTC)
Distance from Seven Trees, CA - 15 km (9 miles) E (87 degrees)
Alum Rock, CA - 16 km (10 miles) ESE (120 degrees)
East Foothills, CA - 16 km (10 miles) SE (127 degrees)
Morgan Hill, CA - 18 km (11 miles) N (356 degrees)
San Jose, CA - 20 km (13 miles) ESE (105 degrees)
Coordinates 37 deg. 17.6 min. N (37.293N), 121 deg. 40.2 min. W (121.670W)
Depth 1.59 km (1.0 miles)
Quality Excellent
Location Quality Parameters Nst=15, Nph=15, Dmin=3.8 km, Rmss=0.06 sec, Erho=0.26 km, Erzz=0.5 km, Gp=75 degrees
Event ID# nc73594606
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For more information, see https://earthquake.usgs.gov

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