Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A minor earthquake occurred at 1:26:38 PM (PDT) on Monday, September 1, 2025.
The magnitude 3.7 event occurred 14 km (9 miles) SSE of Ridgemark, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 3.7 - moment magnitude (Mw) |
| Time | Monday, September 1, 2025 at 1:26:38 PM (PDT) Monday, September 1, 2025 at 20:26:38 (UTC) |
| Distance from |
Ridgemark, CA - 14 km (9 miles) SSE (167 degrees) Hollister, CA - 18 km (11 miles) SSE (161 degrees) Chualar, CA - 21 km (13 miles) NE (51 degrees) Gonzales, CA - 23 km (14 miles) NNE (26 degrees) San Juan Bautista, CA - 25 km (16 miles) SE (133 degrees) |
| Coordinates | 36 deg. 41.4 min. N (36.690N), 121 deg. 19.8 min. W (121.331W) |
| Depth | 4.72 km (2.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=84, Nph=102, Dmin=2.4 km, Rmss=0.17 sec, Erho=0.17 km, Erzz=0.45 km, Gp=53 degrees |
| Event ID# | nc75231747 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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