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 3:42:01 AM (PDT) on Monday, July 21, 2025.
The magnitude 1.0 event occurred 6 km (4 miles) ENE (64 degrees) of Black Point-Green Point, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Monday, July 21, 2025 at 3:42:01 AM (PDT) Monday, July 21, 2025 at 10:42:01 (UTC) |
| Distance from |
Black Point-Green Point, CA - 6 km (4 miles) ENE (64 degrees) Novato, CA - 11 km (7 miles) ENE (71 degrees) Temelec, CA - 15 km (9 miles) SSE (164 degrees) Lucas Valley-Marinwood, CA - 16 km (10 miles) NE (45 degrees) Sonoma, CA - 17 km (10 miles) S (177 degrees) |
| Coordinates | 38 deg. 8.4 min. N (38.141N), 122 deg. 26.9 min. W (122.448W) |
| Depth | 7.62 km (4.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=28, Nph=32, Dmin=0.3 km, Rmss=0.10 sec, Erho=0.28 km, Erzz=0.41 km, Gp=79 degrees |
| Event ID# | nc75212872 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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