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 1:57:42 AM (PDT) on Saturday, August 9, 2025.
The magnitude 1.6 event occurred 1 km (1 miles) SSW of Vallejo, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Saturday, August 9, 2025 at 1:57:42 AM (PDT) Saturday, August 9, 2025 at 8:57:42 (UTC) |
| Distance from |
Vallejo, CA - 1 km (1 miles) SSW (212 degrees) Crockett, CA - 6 km (4 miles) NNW (333 degrees) Rodeo, CA - 8 km (5 miles) NNE (14 degrees) American Canyon, CA - 8 km (5 miles) S (170 degrees) Hercules, CA - 10 km (6 miles) NNE (22 degrees) |
| Coordinates | 38 deg. 6.1 min. N (38.102N), 122 deg. 14.7 min. W (122.245W) |
| Depth | 7.00 km (4.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=26, Nph=26, Dmin=3.1 km, Rmss=0.15 sec, Erho=0.3 km, Erzz=0.680000007 km, Gp=57 degrees |
| Event ID# | nc75221047 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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