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 5:18:18 AM (PDT) on Thursday, October 23, 2025.
The magnitude 2.0 event occurred 11 km (7 miles) SW of Ridgemark, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 2.0 - duration magnitude (Md) |
| Time | Thursday, October 23, 2025 at 5:18:18 AM (PDT) Thursday, October 23, 2025 at 12:18:18 (UTC) |
| Distance from |
Ridgemark, CA - 11 km (7 miles) SW (225 degrees) Hollister, CA - 13 km (8 miles) SSW (203 degrees) San Juan Bautista, CA - 14 km (9 miles) SSE (147 degrees) Salinas, CA - 18 km (11 miles) ENE (69 degrees) Prunedale, CA - 20 km (12 miles) E (101 degrees) |
| Coordinates | 36 deg. 44.5 min. N (36.742N), 121 deg. 27.2 min. W (121.454W) |
| Depth | 5.72 km (3.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=34, Nph=32, Dmin=2.5 km, Rmss=0.21 sec, Erho=0.36 km, Erzz=0.790000021 km, Gp=36 degrees |
| Event ID# | nc75253286 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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