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 3:47:19 PM (PDT) on Saturday, October 3, 2026.
The magnitude 1.0 event occurred 12 km (7 miles) SE of Livermore, CA.
The hypocentral depth is 0.41 km (0.30 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Saturday, October 3, 2026 at 3:47:19 PM (PDT) Saturday, October 3, 2026 at 22:47:19 (UTC) |
| Distance from |
Livermore, CA - 12 km (7 miles) SE (137 degrees) Pleasanton, CA - 19 km (12 miles) ESE (111 degrees) Mountain House, CA - 23 km (14 miles) SSW (210 degrees) Dublin, CA - 25 km (16 miles) ESE (116 degrees) Tracy, CA - 27 km (17 miles) SW (235 degrees) |
| Coordinates | 37 deg. 36.1 min. N (37.602N), 121 deg. 40.5 min. W (121.675W) |
| Depth | 0.41 km (0.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=7.5 km, Rmss=0.08 sec, Erho=0.42 km, Erzz=1.34000003 km, Gp=141 degrees |
| Event ID# | nc75443826 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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