Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Seismological Laboratory, University of Nevada, Reno


Version #905444: 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 4:34:31 PM (PDT) on Saturday, October 4, 2025.
The magnitude 2.2 event occurred 63 km (39 miles) NE (56 degrees) of Tonopah, NV.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 2.2 - local magnitude (Ml)
Time Saturday, October 4, 2025 at 4:34:31 PM (PDT)
Saturday, October 4, 2025 at 23:34:31 (UTC)
Distance from Tonopah, NV - 63 km (39 miles) NE (56 degrees)
Austin, NV - 129 km (80 miles) SSE (163 degrees)
Beatty, NV - 165 km (102 miles) N (4 degrees)
Alamo, NV - 172 km (107 miles) NW (312 degrees)
Hawthorne, NV - 174 km (108 miles) E (94 degrees)
Coordinates 38 deg. 23.2 min. N (38.386N), 116 deg. 38.1 min. W (116.635W)
Depth 5.20 km (3.20 miles)
Quality Fair
Location Quality Parameters Nst=18, Nph=18, Dmin=110.8 km, Rmss=0.2902 sec, Erho=0 km, Erzz=0.8 km, Gp=171.82 degrees
Event ID# nn00905444
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