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 7:32:25 AM (PDT) on Sunday, September 27, 2026.
The magnitude 1.3 event occurred 29 km (18 miles) W of Patterson, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Sunday, September 27, 2026 at 7:32:25 AM (PDT) Sunday, September 27, 2026 at 14:32:25 (UTC) |
| Distance from |
Patterson, CA - 29 km (18 miles) W (259 degrees) East Foothills, CA - 32 km (20 miles) E (82 degrees) Alum Rock, CA - 33 km (21 miles) E (79 degrees) Tracy, CA - 35 km (22 miles) S (184 degrees) Seven Trees, CA - 37 km (23 miles) ENE (66 degrees) |
| Coordinates | 37 deg. 25.4 min. N (37.423N), 121 deg. 27.3 min. W (121.455W) |
| Depth | 4.58 km (2.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=9, Nph=8, Dmin=5.1 km, Rmss=0.04 sec, Erho=0.38 km, Erzz=0.889999986 km, Gp=96 degrees |
| Event ID# | nc75443102 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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