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 6:21:53 AM (PDT) on Wednesday, October 29, 2025.
The magnitude 1.6 event occurred 8 km (5 miles) NNE (13 degrees) of Orinda, CA.
The hypocentral depth is 14 km ( 8 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Wednesday, October 29, 2025 at 6:21:53 AM (PDT) Wednesday, October 29, 2025 at 13:21:53 (UTC) |
| Distance from |
Orinda, CA - 8 km (5 miles) NNE (13 degrees) Lafayette, CA - 8 km (5 miles) NNW (332 degrees) Martinez, CA - 8 km (5 miles) SSW (195 degrees) Pacheco, CA - 8 km (5 miles) WSW (241 degrees) Pleasant Hill, CA - 9 km (5 miles) W (269 degrees) |
| Coordinates | 37 deg. 56.8 min. N (37.946N), 122 deg. 9.6 min. W (122.160W) |
| Depth | 13.60 km (8.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=27, Nph=27, Dmin=3.1 km, Rmss=0.05 sec, Erho=0.21 km, Erzz=0.379999995 km, Gp=61 degrees |
| Event ID# | nc75256176 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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