Recent Earthquakes in California and Nevada


== 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 2:33:08 AM (PDT) on Wednesday, September 15, 2021.
The magnitude 1.4 event occurred 20 km (13 miles) SSW of Gustine, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Wednesday, September 15, 2021 at 2:33:08 AM (PDT)
Wednesday, September 15, 2021 at 9:33:08 (UTC)
Distance from Gustine, CA - 20 km (13 miles) SSW (202 degrees)
Los Banos, CA - 21 km (13 miles) W (279 degrees)
Newman, CA - 26 km (16 miles) SSW (192 degrees)
Hollister, CA - 39 km (24 miles) NE (46 degrees)
Ridgemark, CA - 39 km (25 miles) NE (39 degrees)
Coordinates 37 deg. 5.2 min. N (37.087N), 121 deg. 5.0 min. W (121.084W)
Depth 5.02 km (3.1 miles)
Quality Good
Location Quality Parameters Nst=24, Nph=26, Dmin=2.1 km, Rmss=0.14 sec, Erho=0.34 km, Erzz=0.65 km, Gp=130 degrees
Event ID# nc73625056
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For more information, see https://earthquake.usgs.gov

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