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 7:33:41 PM (PDT) on Saturday, October 4, 2025.
The magnitude 1.3 event occurred 15 km (10 miles) E (87 degrees) of Seven Trees, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Saturday, October 4, 2025 at 7:33:41 PM (PDT) Sunday, October 5, 2025 at 2:33:41 (UTC) |
| Distance from |
Seven Trees, CA - 15 km (10 miles) E (87 degrees) Alum Rock, CA - 17 km (10 miles) ESE (120 degrees) East Foothills, CA - 17 km (10 miles) SE (126 degrees) Morgan Hill, CA - 18 km (11 miles) N (357 degrees) San Jose, CA - 21 km (13 miles) ESE (105 degrees) |
| Coordinates | 37 deg. 17.5 min. N (37.292N), 121 deg. 39.9 min. W (121.665W) |
| Depth | 4.51 km (2.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=3.8 km, Rmss=0.02 sec, Erho=0.64 km, Erzz=1.74000001 km, Gp=149 degrees |
| Event ID# | nc75244921 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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