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 10:31:28 AM (PDT) on Friday, October 24, 2025.
The magnitude 2.1 event occurred 6 km (4 miles) E (86 degrees) of Bolinas, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Friday, October 24, 2025 at 10:31:28 AM (PDT) Friday, October 24, 2025 at 17:31:28 (UTC) |
| Distance from |
Bolinas, CA - 6 km (4 miles) E (86 degrees) Kentfield, CA - 7 km (4 miles) SW (231 degrees) Mill Valley, CA - 7 km (4 miles) W (277 degrees) Ross, CA - 8 km (5 miles) SW (226 degrees) Corte Madera, CA - 8 km (5 miles) W (260 degrees) |
| Coordinates | 37 deg. 54.8 min. N (37.913N), 122 deg. 37.2 min. W (122.619W) |
| Depth | 4.30 km (2.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=44.2 km, Rmss=0.08 sec, Erho=1.5 km, Erzz=8.64999962 km, Gp=180 degrees |
| Event ID# | nc75254021 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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