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 5:30:14 AM (PDT) on Thursday, October 16, 2025.
The magnitude 1.0 event occurred 14 km (8 miles) SE of Livermore, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Thursday, October 16, 2025 at 5:30:14 AM (PDT) Thursday, October 16, 2025 at 12:30:14 (UTC) |
| Distance from |
Livermore, CA - 14 km (8 miles) SE (131 degrees) Pleasanton, CA - 21 km (13 miles) ESE (109 degrees) Mountain House, CA - 22 km (14 miles) SSW (206 degrees) Tracy, CA - 25 km (16 miles) SW (233 degrees) Dublin, CA - 27 km (17 miles) ESE (114 degrees) |
| Coordinates | 37 deg. 36.1 min. N (37.602N), 121 deg. 39.1 min. W (121.652W) |
| Depth | 7.85 km (4.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=5.6 km, Rmss=0.10 sec, Erho=0.49 km, Erzz=1.48000002 km, Gp=99 degrees |
| Event ID# | nc75250126 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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