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 2:13:58 PM (PDT) on Monday, September 1, 2025.
The magnitude 2.4 event occurred 15 km (9 miles) S of Ridgemark, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 2.4 - duration magnitude (Md) |
| Time | Monday, September 1, 2025 at 2:13:58 PM (PDT) Monday, September 1, 2025 at 21:13:58 (UTC) |
| Distance from |
Ridgemark, CA - 15 km (9 miles) S (175 degrees) Chualar, CA - 19 km (12 miles) NE (50 degrees) Hollister, CA - 19 km (12 miles) SSE (167 degrees) Gonzales, CA - 21 km (13 miles) NNE (23 degrees) San Juan Bautista, CA - 25 km (15 miles) SE (137 degrees) |
| Coordinates | 36 deg. 40.9 min. N (36.682N), 121 deg. 21.0 min. W (121.351W) |
| Depth | 4.77 km (3.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=51, Nph=46, Dmin=2.8 km, Rmss=0.19 sec, Erho=0.28 km, Erzz=0.790000021 km, Gp=48 degrees |
| Event ID# | nc75231772 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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