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 5:59:17 AM (PDT) on Friday, October 31, 2025.
The magnitude 0.4 event occurred 2 km (1 miles) E (80 degrees) of Berkeley, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Friday, October 31, 2025 at 5:59:17 AM (PDT) Friday, October 31, 2025 at 12:59:17 (UTC) |
| Distance from |
Berkeley, CA - 2 km (1 miles) E (80 degrees) Albany, CA - 4 km (3 miles) ESE (109 degrees) Kensington, CA - 5 km (3 miles) SSE (148 degrees) Emeryville, CA - 6 km (4 miles) NNE (31 degrees) Piedmont, CA - 6 km (4 miles) NNW (342 degrees) |
| Coordinates | 37 deg. 52.5 min. N (37.875N), 122 deg. 15.1 min. W (122.252W) |
| Depth | 8.57 km (5.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=0.4 km, Rmss=0.01 sec, Erho=0.33 km, Erzz=0.469999999 km, Gp=79 degrees |
| Event ID# | nc75257111 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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