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 6:35:22 PM (PDT) on Monday, September 29, 2025.
The magnitude 0.6 event occurred 4 km (2 miles) SE of Pacifica, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 0.6 - duration magnitude (Md) |
| Time | Monday, September 29, 2025 at 6:35:22 PM (PDT) Tuesday, September 30, 2025 at 1:35:22 (UTC) |
| Distance from |
Pacifica, CA - 4 km (2 miles) SE (141 degrees) San Bruno, CA - 6 km (4 miles) SW (224 degrees) Montara, CA - 7 km (4 miles) NE (43 degrees) Millbrae, CA - 7 km (4 miles) W (261 degrees) Hillsborough, CA - 7 km (5 miles) WNW (283 degrees) |
| Coordinates | 37 deg. 35.3 min. N (37.589N), 122 deg. 27.7 min. W (122.461W) |
| Depth | 9.08 km (5.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=15, Dmin=3.6 km, Rmss=0.06 sec, Erho=0.34 km, Erzz=0.57 km, Gp=89 degrees |
| Event ID# | nc75242696 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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