Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 6:26:53 AM (PDT) on Thursday, August 14, 2025.
The magnitude 1.2 event occurred 21 km (13 miles) SW of Patterson, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.2 - duration magnitude (Md)
Time Thursday, August 14, 2025 at 6:26:53 AM (PDT)
Thursday, August 14, 2025 at 13:26:53 (UTC)
Distance from Patterson, CA - 21 km (13 miles) SW (231 degrees)
Newman, CA - 27 km (17 miles) W (279 degrees)
Gustine, CA - 30 km (19 miles) WNW (290 degrees)
Riverdale Park, CA - 37 km (23 miles) SW (219 degrees)
West Modesto, CA - 38 km (24 miles) SW (220 degrees)
Coordinates 37 deg. 21.1 min. N (37.352N), 121 deg. 19.1 min. W (121.318W)
Depth 1.13 km (0.70 miles)
Quality Good
Location Quality Parameters Nst=22, Nph=29, Dmin=4.8 km, Rmss=0.20 sec, Erho=0.29 km, Erzz=0.72 km, Gp=87 degrees
Event ID# nc75223342
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