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 11:32:59 AM (PDT) on Friday, August 21, 2026.
The magnitude 2.2 event occurred 6 km (4 miles) ENE (64 degrees) of Vallejo, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Friday, August 21, 2026 at 11:32:59 AM (PDT) Friday, August 21, 2026 at 18:32:59 (UTC) |
| Distance from |
Vallejo, CA - 6 km (4 miles) ENE (64 degrees) American Canyon, CA - 9 km (6 miles) ESE (117 degrees) Benicia, CA - 10 km (6 miles) N (354 degrees) Crockett, CA - 10 km (6 miles) NNE (21 degrees) Green Valley, CA - 13 km (8 miles) S (183 degrees) |
| Coordinates | 38 deg. 8.3 min. N (38.138N), 122 deg. 10.2 min. W (122.170W) |
| Depth | 3.09 km (1.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=5, Dmin=2.5 km, Rmss=0.08 sec, Erho=1.1 km, Erzz=1.74000001 km, Gp=145 degrees |
| Event ID# | nc75422572 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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