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 11:10:49 PM (PDT) on Friday, August 8, 2025.
The magnitude 1.5 event occurred 11 km (7 miles) SSW of Ridgemark, CA.
The hypocentral depth is 19 km (12 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Friday, August 8, 2025 at 11:10:49 PM (PDT) Saturday, August 9, 2025 at 6:10:49 (UTC) |
| Distance from |
Ridgemark, CA - 11 km (7 miles) SSW (201 degrees) Hollister, CA - 15 km (9 miles) S (185 degrees) San Juan Bautista, CA - 18 km (11 miles) SE (142 degrees) Chualar, CA - 19 km (12 miles) NNE (30 degrees) Salinas, CA - 21 km (13 miles) E (80 degrees) |
| Coordinates | 36 deg. 43.0 min. N (36.717N), 121 deg. 24.7 min. W (121.412W) |
| Depth | 18.93 km (11.80 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=5, Dmin=5.9 km, Rmss=0.02 sec, Erho=2.36 km, Erzz=2.75999999 km, Gp=218 degrees |
| Event ID# | nc75221017 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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