Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Seismological Laboratory, University of Nevada, Reno


Version #905410: 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 1:40:16 AM (PDT) on Saturday, October 4, 2025.
The magnitude 2.1 event occurred 64 km (40 miles) NE (54 degrees) of Tonopah, NV.
The hypocentral depth is 1 km (0.50 miles).


Magnitude 2.1 - local magnitude (Ml)
Time Saturday, October 4, 2025 at 1:40:16 AM (PDT)
Saturday, October 4, 2025 at 8:40:16 (UTC)
Distance from Tonopah, NV - 64 km (40 miles) NE (54 degrees)
Austin, NV - 126 km (79 miles) SSE (163 degrees)
Beatty, NV - 167 km (104 miles) N (3 degrees)
Hawthorne, NV - 173 km (108 miles) E (94 degrees)
Alamo, NV - 174 km (108 miles) NW (312 degrees)
Coordinates 38 deg. 24.3 min. N (38.406N), 116 deg. 38.4 min. W (116.641W)
Depth 0.80 km (0.50 miles)
Quality Poor
Location Quality Parameters Nst=10, Nph=10, Dmin=109.2 km, Rmss=0.2858 sec, Erho=0 km, Erzz=8.2 km, Gp=200.90999999999997 degrees
Event ID# nn00905410
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