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 4:32:16 AM (PDT) on Saturday, August 23, 2025.
The magnitude 1.3 event occurred 3 km (2 miles) NNE (17 degrees) of Ashland, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Saturday, August 23, 2025 at 4:32:16 AM (PDT) Saturday, August 23, 2025 at 11:32:16 (UTC) |
| Distance from |
Ashland, CA - 3 km (2 miles) NNE (17 degrees) Castro Valley, CA - 3 km (2 miles) NNW (333 degrees) San Leandro, CA - 5 km (3 miles) E (95 degrees) Cherryland, CA - 5 km (3 miles) N (360 degrees) San Lorenzo, CA - 5 km (3 miles) NNE (22 degrees) |
| Coordinates | 37 deg. 43.3 min. N (37.721N), 122 deg. 6.2 min. W (122.104W) |
| Depth | 7.16 km (4.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=19, Nph=19, Dmin=1.4 km, Rmss=0.18 sec, Erho=0.41 km, Erzz=0.660000026 km, Gp=51 degrees |
| Event ID# | nc75227667 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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