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 6:13:47 AM (PDT) on Wednesday, September 10, 2025.
The magnitude 1.6 event occurred 14 km (9 miles) S of Ridgemark, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Wednesday, September 10, 2025 at 6:13:47 AM (PDT) Wednesday, September 10, 2025 at 13:13:47 (UTC) |
| Distance from |
Ridgemark, CA - 14 km (9 miles) S (178 degrees) Hollister, CA - 18 km (11 miles) S (169 degrees) Chualar, CA - 19 km (12 miles) NE (47 degrees) Gonzales, CA - 21 km (13 miles) NNE (20 degrees) San Juan Bautista, CA - 24 km (15 miles) SE (138 degrees) |
| Coordinates | 36 deg. 41.2 min. N (36.687N), 121 deg. 21.6 min. W (121.360W) |
| Depth | 5.57 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=24, Nph=24, Dmin=2.6 km, Rmss=0.15 sec, Erho=0.37 km, Erzz=0.970000029 km, Gp=68 degrees |
| Event ID# | nc75235947 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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