Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 5:14:47 AM (PDT) on Wednesday, October 1, 2025.
The magnitude 0.6 event occurred 3 km (2 miles) SE of Pacifica, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 0.6 - duration magnitude (Md) |
| Time | Wednesday, October 1, 2025 at 5:14:47 AM (PDT) Wednesday, October 1, 2025 at 12:14:47 (UTC) |
| Distance from |
Pacifica, CA - 3 km (2 miles) SE (135 degrees) San Bruno, CA - 6 km (4 miles) SW (226 degrees) Millbrae, CA - 6 km (4 miles) W (265 degrees) Montara, CA - 7 km (5 miles) NE (41 degrees) Hillsborough, CA - 7 km (5 miles) WNW (286 degrees) |
| Coordinates | 37 deg. 35.6 min. N (37.593N), 122 deg. 27.6 min. W (122.460W) |
| Depth | 8.51 km (5.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=7, Nph=10, Dmin=3.8 km, Rmss=0.05 sec, Erho=0.56 km, Erzz=1.06 km, Gp=87 degrees |
| Event ID# | nc75243471 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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