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 6:27:05 PM (PDT) on Wednesday, October 1, 2025.
The magnitude 1.4 event occurred 6 km (4 miles) NW of Broadmoor, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Wednesday, October 1, 2025 at 6:27:05 PM (PDT) Thursday, October 2, 2025 at 1:27:05 (UTC) |
| Distance from |
Broadmoor, CA - 6 km (4 miles) NW (315 degrees) Daly City, CA - 7 km (4 miles) NW (304 degrees) Colma, CA - 8 km (5 miles) NW (311 degrees) San Francisco, CA - 11 km (7 miles) WSW (242 degrees) Pacifica, CA - 13 km (8 miles) NNW (342 degrees) |
| Coordinates | 37 deg. 43.6 min. N (37.727N), 122 deg. 32.0 min. W (122.533W) |
| Depth | 12.05 km (7.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=11, Nph=11, Dmin=9.2 km, Rmss=0.02 sec, Erho=0.63 km, Erzz=0.879999995 km, Gp=161 degrees |
| Event ID# | nc75243716 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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