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 11:55:05 AM (PDT) on Wednesday, August 27, 2025.
The magnitude 2.1 event occurred 3 km (2 miles) NE (48 degrees) of Martinez, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Wednesday, August 27, 2025 at 11:55:05 AM (PDT) Wednesday, August 27, 2025 at 18:55:05 (UTC) |
| Distance from |
Martinez, CA - 3 km (2 miles) NE (48 degrees) Vine Hill, CA - 3 km (2 miles) NNW (341 degrees) Benicia, CA - 5 km (3 miles) ESE (107 degrees) Pacheco, CA - 7 km (4 miles) NNW (334 degrees) Crockett, CA - 9 km (6 miles) E (100 degrees) |
| Coordinates | 38 deg. 2.2 min. N (38.037N), 122 deg. 6.5 min. W (122.109W) |
| Depth | 4.41 km (2.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=8, Dmin=51.0 km, Rmss=0.13 sec, Erho=1.84 km, Erzz=2.4000001 km, Gp=148 degrees |
| Event ID# | nc75229462 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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