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 3:01:59 AM (PDT) on Tuesday, September 9, 2025.
The magnitude 0.6 event occurred 4 km (3 miles) SE of Pacifica, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.6 - duration magnitude (Md) |
| Time | Tuesday, September 9, 2025 at 3:01:59 AM (PDT) Tuesday, September 9, 2025 at 10:01:59 (UTC) |
| Distance from |
Pacifica, CA - 4 km (3 miles) SE (137 degrees) San Bruno, CA - 6 km (4 miles) SW (219 degrees) Millbrae, CA - 6 km (4 miles) WSW (258 degrees) Hillsborough, CA - 7 km (4 miles) WNW (282 degrees) Montara, CA - 7 km (5 miles) NE (47 degrees) |
| Coordinates | 37 deg. 35.2 min. N (37.587N), 122 deg. 27.3 min. W (122.455W) |
| Depth | 7.53 km (4.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=11, Nph=16, Dmin=3.1 km, Rmss=0.07 sec, Erho=0.34 km, Erzz=0.64 km, Gp=87 degrees |
| Event ID# | nc75235387 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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