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 1:51:36 PM (PDT) on Sunday, October 12, 2025.
The magnitude 1.7 event occurred 3 km (2 miles) SE of Pacifica, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Sunday, October 12, 2025 at 1:51:36 PM (PDT) Sunday, October 12, 2025 at 20:51:36 (UTC) |
| Distance from |
Pacifica, CA - 3 km (2 miles) SE (137 degrees) San Bruno, CA - 6 km (4 miles) SW (232 degrees) Millbrae, CA - 7 km (4 miles) W (268 degrees) Montara, CA - 7 km (5 miles) NE (36 degrees) South San Francisco, CA - 8 km (5 miles) SW (219 degrees) |
| Coordinates | 37 deg. 35.8 min. N (37.596N), 122 deg. 28.0 min. W (122.466W) |
| Depth | 9.91 km (6.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=28, Nph=28, Dmin=3.4 km, Rmss=0.03 sec, Erho=0.29 km, Erzz=0.379999995 km, Gp=77 degrees |
| Event ID# | nc75248341 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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