Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 2:45:25 PM (PDT) on Sunday, August 17, 2025.
The magnitude 1.4 event occurred 9 km (6 miles) W of Patterson, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Sunday, August 17, 2025 at 2:45:25 PM (PDT) Sunday, August 17, 2025 at 21:45:25 (UTC) |
| Distance from |
Patterson, CA - 9 km (6 miles) W (273 degrees) Riverdale Park, CA - 22 km (13 miles) SW (227 degrees) West Modesto, CA - 23 km (14 miles) SW (227 degrees) Bret Harte, CA - 24 km (15 miles) SW (235 degrees) Newman, CA - 26 km (16 miles) NW (314 degrees) |
| Coordinates | 37 deg. 28.5 min. N (37.475N), 121 deg. 13.9 min. W (121.231W) |
| Depth | 10.55 km (6.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=20, Nph=23, Dmin=9.1 km, Rmss=0.08 sec, Erho=0.25 km, Erzz=0.34 km, Gp=78 degrees |
| Event ID# | nc75225147 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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