Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Seismological Laboratory, University of Nevada, Reno
Version #906172: 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 6:38:17 PM (PDT) on Monday, October 20, 2025.
The magnitude 1.6 event occurred 100 km (62 miles) E (94 degrees) of Tonopah, NV.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.6 - local magnitude (Ml) |
| Time | Monday, October 20, 2025 at 6:38:17 PM (PDT) Tuesday, October 21, 2025 at 1:38:17 (UTC) |
| Distance from |
Tonopah, NV - 100 km (62 miles) E (94 degrees) Alamo, NV - 108 km (67 miles) NW (311 degrees) Beatty, NV - 135 km (84 miles) NNE (25 degrees) Caliente, NV - 145 km (90 miles) WNW (288 degrees) Ely, NV - 174 km (108 miles) SW (218 degrees) |
| Coordinates | 38 deg. 0.3 min. N (38.005N), 116 deg. 5.4 min. W (116.091W) |
| Depth | 6.03 km (3.70 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=90.8 km, Rmss=0.3611 sec, Erho=0 km, Erzz=1.2894 km, Gp=285 degrees |
| Event ID# | nn00906172 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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