Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 8:29:23 PM (PDT) on Sunday, August 3, 2025.
The magnitude 1.1 event occurred 9 km (6 miles) E (84 degrees) of Ridgemark, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Sunday, August 3, 2025 at 8:29:23 PM (PDT) Monday, August 4, 2025 at 3:29:23 (UTC) |
| Distance from |
Ridgemark, CA - 9 km (6 miles) E (84 degrees) Hollister, CA - 12 km (8 miles) ESE (103 degrees) San Juan Bautista, CA - 25 km (15 miles) E (96 degrees) Gilroy, CA - 34 km (21 miles) SE (127 degrees) Aromas, CA - 35 km (22 miles) ESE (102 degrees) |
| Coordinates | 36 deg. 49.3 min. N (36.821N), 121 deg. 15.8 min. W (121.263W) |
| Depth | 9.27 km (5.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=22, Nph=24, Dmin=6.8 km, Rmss=0.08 sec, Erho=0.31 km, Erzz=0.64 km, Gp=57 degrees |
| Event ID# | nc75218832 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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