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 11:32:56 AM (PDT) on Wednesday, September 24, 2025.
The magnitude 1.5 event occurred 6 km (4 miles) E (83 degrees) of San Rafael, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Wednesday, September 24, 2025 at 11:32:56 AM (PDT) Wednesday, September 24, 2025 at 18:32:56 (UTC) |
| Distance from |
San Rafael, CA - 6 km (4 miles) E (83 degrees) Santa Venetia, CA - 6 km (4 miles) ESE (109 degrees) Corte Madera, CA - 8 km (5 miles) NE (44 degrees) Larkspur, CA - 8 km (5 miles) NE (52 degrees) North Richmond, CA - 8 km (5 miles) WNW (286 degrees) |
| Coordinates | 37 deg. 58.8 min. N (37.980N), 122 deg. 27.6 min. W (122.460W) |
| Depth | 1.24 km (0.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=2.7 km, Rmss=0.03 sec, Erho=0.68 km, Erzz=0.670000017 km, Gp=154 degrees |
| Event ID# | nc75241492 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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