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 10:37:53 AM (PDT) on Monday, September 8, 2025.
The magnitude 1.4 event occurred 7 km (4 miles) SSW of Ridgemark, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Monday, September 8, 2025 at 10:37:53 AM (PDT) Monday, September 8, 2025 at 17:37:53 (UTC) |
| Distance from |
Ridgemark, CA - 7 km (4 miles) SSW (211 degrees) Hollister, CA - 10 km (6 miles) S (184 degrees) San Juan Bautista, CA - 15 km (9 miles) SE (130 degrees) Salinas, CA - 23 km (14 miles) ENE (69 degrees) Chualar, CA - 23 km (14 miles) NNE (26 degrees) |
| Coordinates | 36 deg. 45.5 min. N (36.758N), 121 deg. 24.4 min. W (121.406W) |
| Depth | 10.76 km (6.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=3.7 km, Rmss=0.06 sec, Erho=0.49 km, Erzz=0.850000024 km, Gp=109 degrees |
| Event ID# | nc75235032 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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