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 11:33:57 AM (PDT) on Wednesday, September 10, 2025.
The magnitude 1.6 event occurred 18 km (11 miles) SSE of Ridgemark, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Wednesday, September 10, 2025 at 11:33:57 AM (PDT) Wednesday, September 10, 2025 at 18:33:57 (UTC) |
| Distance from |
Ridgemark, CA - 18 km (11 miles) SSE (166 degrees) Gonzales, CA - 20 km (12 miles) NE (34 degrees) Chualar, CA - 20 km (13 miles) ENE (62 degrees) Hollister, CA - 22 km (14 miles) SSE (161 degrees) Soledad, CA - 26 km (16 miles) N (2 degrees) |
| Coordinates | 36 deg. 39.3 min. N (36.656N), 121 deg. 19.0 min. W (121.317W) |
| Depth | 3.37 km (2.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=13, Dmin=5.0 km, Rmss=0.13 sec, Erho=0.41 km, Erzz=1.38999999 km, Gp=85 degrees |
| Event ID# | nc75236032 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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