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 8:27:35 PM (PDT) on Tuesday, August 5, 2025.
The magnitude 1.4 event occurred 13 km (8 miles) S of Ridgemark, CA.
The hypocentral depth is -0.39 km (-0.20 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Tuesday, August 5, 2025 at 8:27:35 PM (PDT) Wednesday, August 6, 2025 at 3:27:35 (UTC) |
| Distance from |
Ridgemark, CA - 13 km (8 miles) S (183 degrees) Hollister, CA - 17 km (11 miles) S (173 degrees) Chualar, CA - 19 km (12 miles) NE (44 degrees) Gonzales, CA - 22 km (13 miles) NNE (17 degrees) San Juan Bautista, CA - 22 km (14 miles) SE (139 degrees) |
| Coordinates | 36 deg. 41.6 min. N (36.693N), 121 deg. 22.4 min. W (121.373W) |
| Depth | -0.39 km (-0.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=11, Nph=11, Dmin=2.9 km, Rmss=0.17 sec, Erho=0.46 km, Erzz=3.27999997 km, Gp=68 degrees |
| Event ID# | nc75219837 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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