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 7:50:03 AM (PDT) on Monday, August 25, 2025.
The magnitude 1.1 event occurred 4 km (2 miles) SSE of Ridgemark, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Monday, August 25, 2025 at 7:50:03 AM (PDT) Monday, August 25, 2025 at 14:50:03 (UTC) |
| Distance from |
Ridgemark, CA - 4 km (2 miles) SSE (163 degrees) Hollister, CA - 8 km (5 miles) SSE (151 degrees) San Juan Bautista, CA - 18 km (11 miles) ESE (113 degrees) Prunedale, CA - 28 km (17 miles) E (88 degrees) Salinas, CA - 28 km (17 miles) ENE (67 degrees) |
| Coordinates | 36 deg. 46.9 min. N (36.782N), 121 deg. 21.2 min. W (121.354W) |
| Depth | 5.20 km (3.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=3.8 km, Rmss=0.11 sec, Erho=0.52 km, Erzz=1.35000002 km, Gp=123 degrees |
| Event ID# | nc75228547 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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