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 7:53:22 AM (PDT) on Thursday, July 31, 2025.
The magnitude 1.7 event occurred 20 km (12 miles) NE (50 degrees) of Gonzales, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Thursday, July 31, 2025 at 7:53:22 AM (PDT) Thursday, July 31, 2025 at 14:53:22 (UTC) |
| Distance from |
Gonzales, CA - 20 km (12 miles) NE (50 degrees) Chualar, CA - 22 km (14 miles) ENE (75 degrees) Soledad, CA - 22 km (14 miles) NNE (12 degrees) Ridgemark, CA - 23 km (14 miles) SSE (159 degrees) Hollister, CA - 27 km (17 miles) SSE (156 degrees) |
| Coordinates | 36 deg. 37.3 min. N (36.622N), 121 deg. 16.5 min. W (121.276W) |
| Depth | 8.68 km (5.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=24, Nph=23, Dmin=3.7 km, Rmss=0.21 sec, Erho=0.46 km, Erzz=1.05999994 km, Gp=63 degrees |
| Event ID# | nc75217462 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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