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 4:13:24 AM (PDT) on Friday, October 10, 2025.
The magnitude 1.0 event occurred 14 km (9 miles) S of Ridgemark, CA.
The hypocentral depth is 1 km (0.50 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Friday, October 10, 2025 at 4:13:24 AM (PDT) Friday, October 10, 2025 at 11:13:24 (UTC) |
| Distance from |
Ridgemark, CA - 14 km (9 miles) S (182 degrees) Chualar, CA - 18 km (11 miles) NE (45 degrees) Hollister, CA - 18 km (11 miles) S (173 degrees) Gonzales, CA - 21 km (13 miles) NNE (18 degrees) San Juan Bautista, CA - 23 km (14 miles) SE (140 degrees) |
| Coordinates | 36 deg. 41.3 min. N (36.688N), 121 deg. 22.3 min. W (121.372W) |
| Depth | 0.77 km (0.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=3.1 km, Rmss=0.14 sec, Erho=0.44 km, Erzz=1.29999995 km, Gp=69 degrees |
| Event ID# | nc75247311 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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