Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Seismological Laboratory, University of Nevada, Reno
Version #906171: 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 5:58:30 PM (PDT) on Monday, October 20, 2025.
The magnitude 1.5 event occurred 21 km (13 miles) E (97 degrees) of Alamo, NV.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.5 - local magnitude (Ml) |
| Time | Monday, October 20, 2025 at 5:58:30 PM (PDT) Tuesday, October 21, 2025 at 0:58:30 (UTC) |
| Distance from |
Alamo, NV - 21 km (13 miles) E (97 degrees) Caliente, NV - 47 km (29 miles) SW (230 degrees) Mesquite, NV - 96 km (60 miles) NW (309 degrees) Nellis Air Force Base, NV - 123 km (76 miles) N (5 degrees) North Las Vegas, NV - 125 km (78 miles) N (9 degrees) |
| Coordinates | 37 deg. 20.6 min. N (37.343N), 114 deg. 55.6 min. W (114.927W) |
| Depth | 4.12 km (2.60 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=21, Nph=21, Dmin=13.0 km, Rmss=0.4097 sec, Erho=0 km, Erzz=2.8964 km, Gp=220 degrees |
| Event ID# | nn00906171 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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