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 2:09:16 PM (PDT) on Sunday, September 27, 2026.
The magnitude 1.2 event occurred 29 km (18 miles) WSW of Patterson, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Sunday, September 27, 2026 at 2:09:16 PM (PDT) Sunday, September 27, 2026 at 21:09:16 (UTC) |
| Distance from |
Patterson, CA - 29 km (18 miles) WSW (258 degrees) East Foothills, CA - 33 km (20 miles) E (83 degrees) Alum Rock, CA - 34 km (21 miles) E (80 degrees) Tracy, CA - 36 km (22 miles) S (184 degrees) Seven Trees, CA - 37 km (23 miles) ENE (67 degrees) |
| Coordinates | 37 deg. 25.0 min. N (37.417N), 121 deg. 27.1 min. W (121.451W) |
| Depth | 4.90 km (3.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=5.7 km, Rmss=0.04 sec, Erho=0.53 km, Erzz=1.20000005 km, Gp=121 degrees |
| Event ID# | nc75443367 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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