Recent Earthquakes in California and Nevada


== PRELIMINARY EVENT REPORT ==

Seismological Laboratory, University of Nevada, Reno


Version #904503: 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 explosion occurred at 12:15:34 PM (PDT) on Wednesday, September 17, 2025.
The magnitude 1.5 event occurred 71 km (44 miles) N (8 degrees) of Tonopah, NV.
The hypocentral depth is 16 km (10 miles).


Magnitude 1.5 - local magnitude (Ml)
Time Wednesday, September 17, 2025 at 12:15:34 PM (PDT)
Wednesday, September 17, 2025 at 19:15:34 (UTC)
Distance from Tonopah, NV - 71 km (44 miles) N (8 degrees)
Austin, NV - 88 km (55 miles) S (183 degrees)
Hawthorne, NV - 132 km (82 miles) E (81 degrees)
Fallon, NV - 167 km (104 miles) ESE (120 degrees)
Dixon Lane-Meadow Creek, CA - 185 km (115 miles) NE (37 degrees)
Coordinates 38 deg. 42.2 min. N (38.703N), 117 deg. 7.1 min. W (117.118W)
Depth 16.00 km (9.90 miles)
Quality Poor
Location Quality Parameters Nst=8, Nph=8, Dmin=57.5 km, Rmss=0.3915 sec, Erho=0 km, Erzz=1.8 km, Gp=191.05999999999995 degrees
Event ID# nn00904503
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