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 9:35:01 AM (PDT) on Monday, September 8, 2025.
The magnitude 1.5 event occurred 7 km (4 miles) SSW of Ridgemark, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Monday, September 8, 2025 at 9:35:01 AM (PDT) Monday, September 8, 2025 at 16:35:01 (UTC) |
| Distance from |
Ridgemark, CA - 7 km (4 miles) SSW (206 degrees) Hollister, CA - 10 km (6 miles) S (181 degrees) San Juan Bautista, CA - 16 km (10 miles) SE (129 degrees) Salinas, CA - 23 km (14 miles) ENE (69 degrees) Chualar, CA - 23 km (14 miles) NNE (27 degrees) |
| Coordinates | 36 deg. 45.4 min. N (36.757N), 121 deg. 24.0 min. W (121.400W) |
| Depth | 9.45 km (5.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=10, Dmin=4.3 km, Rmss=0.03 sec, Erho=0.37 km, Erzz=0.589999974 km, Gp=108 degrees |
| Event ID# | nc75234972 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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