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 9:36:46 AM (PDT) on Saturday, September 20, 2025.
The magnitude 0.8 event occurred 7 km (5 miles) E (88 degrees) of Black Point-Green Point, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Saturday, September 20, 2025 at 9:36:46 AM (PDT) Saturday, September 20, 2025 at 16:36:46 (UTC) |
| Distance from |
Black Point-Green Point, CA - 7 km (5 miles) E (88 degrees) Novato, CA - 12 km (8 miles) E (84 degrees) Lucas Valley-Marinwood, CA - 16 km (10 miles) NE (56 degrees) Santa Venetia, CA - 16 km (10 miles) NNE (32 degrees) Montalvin, CA - 16 km (10 miles) NNW (328 degrees) |
| Coordinates | 38 deg. 7.1 min. N (38.118N), 122 deg. 25.7 min. W (122.429W) |
| Depth | 4.50 km (2.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=18, Dmin=6.4 km, Rmss=0.04 sec, Erho=0.24 km, Erzz=0.74 km, Gp=66 degrees |
| Event ID# | nc75239892 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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