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 7:06:38 AM (PDT) on Monday, September 29, 2025.
The magnitude 1.6 event occurred 6 km (4 miles) SW of Ridgemark, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Monday, September 29, 2025 at 7:06:38 AM (PDT) Monday, September 29, 2025 at 14:06:38 (UTC) |
| Distance from |
Ridgemark, CA - 6 km (4 miles) SW (216 degrees) Hollister, CA - 9 km (6 miles) S (185 degrees) San Juan Bautista, CA - 15 km (9 miles) SE (127 degrees) Salinas, CA - 23 km (14 miles) ENE (66 degrees) Prunedale, CA - 23 km (15 miles) E (92 degrees) |
| Coordinates | 36 deg. 46.0 min. N (36.767N), 121 deg. 24.5 min. W (121.408W) |
| Depth | 9.75 km (6.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=17, Nph=16, Dmin=3.5 km, Rmss=0.10 sec, Erho=0.4 km, Erzz=0.660000026 km, Gp=88 degrees |
| Event ID# | nc75243347 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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