Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:19:36 AM (PDT) on Saturday, September 11, 2021.
The magnitude 0.8 event occurred 9 km (5 miles) NE (52 degrees) of San Martin, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.8 - duration magnitude (Md)
Time Saturday, September 11, 2021 at 8:19:36 AM (PDT)
Saturday, September 11, 2021 at 15:19:36 (UTC)
Distance from San Martin, CA - 9 km (5 miles) NE (52 degrees)
Morgan Hill, CA - 11 km (7 miles) E (88 degrees)
Gilroy, CA - 14 km (9 miles) NNE (12 degrees)
Interlaken, CA - 27 km (17 miles) NE (41 degrees)
Amesti, CA - 29 km (18 miles) NE (49 degrees)
Coordinates 37 deg. 8.0 min. N (37.133N), 121 deg. 32.0 min. W (121.534W)
Depth 1.99 km (1.2 miles)
Quality Good
Location Quality Parameters Nst=11, Nph=12, Dmin=8.6 km, Rmss=0.08 sec, Erho=0.31 km, Erzz=1.17 km, Gp=65 degrees
Event ID# nc73623656
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For more information, see https://earthquake.usgs.gov

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