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 12:44:24 PM (PDT) on Monday, August 18, 2025.
The magnitude 1.7 event occurred 10 km (6 miles) E (79 degrees) of Chualar, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Monday, August 18, 2025 at 12:44:24 PM (PDT) Monday, August 18, 2025 at 19:44:24 (UTC) |
| Distance from |
Chualar, CA - 10 km (6 miles) E (79 degrees) Gonzales, CA - 10 km (6 miles) NNE (19 degrees) Soledad, CA - 20 km (12 miles) NNW (338 degrees) Salinas, CA - 23 km (15 miles) ESE (117 degrees) Ridgemark, CA - 25 km (16 miles) S (189 degrees) |
| Coordinates | 36 deg. 35.3 min. N (36.588N), 121 deg. 24.5 min. W (121.409W) |
| Depth | 1.78 km (1.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=20, Nph=19, Dmin=1.2 km, Rmss=0.13 sec, Erho=0.37 km, Erzz=0.319999993 km, Gp=51 degrees |
| Event ID# | nc75225517 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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