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 5:42:20 PM (PST) on Tuesday, November 4, 2025.
The magnitude 1.2 event occurred 3 km (2 miles) SE of Pacifica, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Tuesday, November 4, 2025 at 5:42:20 PM (PST) Wednesday, November 5, 2025 at 1:42:20 (UTC) |
| Distance from |
Pacifica, CA - 3 km (2 miles) SE (132 degrees) San Bruno, CA - 6 km (4 miles) SW (233 degrees) Millbrae, CA - 7 km (4 miles) W (269 degrees) Montara, CA - 8 km (5 miles) NE (36 degrees) South San Francisco, CA - 8 km (5 miles) SW (219 degrees) |
| Coordinates | 37 deg. 35.9 min. N (37.598N), 122 deg. 27.9 min. W (122.465W) |
| Depth | 9.41 km (5.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=3.5 km, Rmss=0.02 sec, Erho=0.47 km, Erzz=1.32000005 km, Gp=118 degrees |
| Event ID# | nc75259291 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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