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 7:57:55 PM (PDT) on Saturday, August 30, 2025.
The magnitude 1.5 event occurred 3 km (2 miles) WSW of Ridgemark, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Saturday, August 30, 2025 at 7:57:55 PM (PDT) Sunday, August 31, 2025 at 2:57:55 (UTC) |
| Distance from |
Ridgemark, CA - 3 km (2 miles) WSW (255 degrees) Hollister, CA - 5 km (3 miles) S (176 degrees) San Juan Bautista, CA - 13 km (8 miles) ESE (109 degrees) Aromas, CA - 24 km (15 miles) ESE (112 degrees) Prunedale, CA - 25 km (15 miles) E (82 degrees) |
| Coordinates | 36 deg. 48.4 min. N (36.806N), 121 deg. 23.7 min. W (121.395W) |
| Depth | 7.02 km (4.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=21, Nph=21, Dmin=6.7 km, Rmss=0.14 sec, Erho=0.36 km, Erzz=0.939999998 km, Gp=78 degrees |
| Event ID# | nc75231042 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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