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 4:07:55 AM (PDT) on Sunday, October 26, 2025.
The magnitude 1.5 event occurred 7 km (4 miles) NNW of Lafayette, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Sunday, October 26, 2025 at 4:07:55 AM (PDT) Sunday, October 26, 2025 at 11:07:55 (UTC) |
| Distance from |
Lafayette, CA - 7 km (4 miles) NNW (332 degrees) Orinda, CA - 7 km (5 miles) NNE (16 degrees) Pleasant Hill, CA - 8 km (5 miles) W (265 degrees) Pacheco, CA - 8 km (5 miles) WSW (237 degrees) Saranap, CA - 9 km (6 miles) NW (312 degrees) |
| Coordinates | 37 deg. 56.5 min. N (37.942N), 122 deg. 9.3 min. W (122.156W) |
| Depth | 13.92 km (8.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=25, Nph=25, Dmin=2.5 km, Rmss=0.05 sec, Erho=0.25 km, Erzz=0.439999998 km, Gp=62 degrees |
| Event ID# | nc75254751 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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