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 10:38:48 AM (PDT) on Saturday, August 16, 2025.
The magnitude 1.3 event occurred 5 km (3 miles) ESE of Ridgemark, CA.
The hypocentral depth is 7 km ( 5 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Saturday, August 16, 2025 at 10:38:48 AM (PDT) Saturday, August 16, 2025 at 17:38:48 (UTC) |
| Distance from |
Ridgemark, CA - 5 km (3 miles) ESE (116 degrees) Hollister, CA - 10 km (6 miles) SE (129 degrees) San Juan Bautista, CA - 21 km (13 miles) ESE (107 degrees) Aromas, CA - 31 km (19 miles) ESE (110 degrees) Chualar, CA - 31 km (19 miles) NE (37 degrees) |
| Coordinates | 36 deg. 47.5 min. N (36.792N), 121 deg. 18.7 min. W (121.312W) |
| Depth | 7.34 km (4.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=1.9 km, Rmss=0.07 sec, Erho=0.45 km, Erzz=0.870000005 km, Gp=148 degrees |
| Event ID# | nc75224652 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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