Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Seismological Laboratory, University of Nevada, Reno


Version #906645: 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 12:39:54 PM (PDT) on Friday, October 31, 2025.
The magnitude 1.8 event occurred 19 km (12 miles) N of Summerlin South, NV.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.8 - local magnitude (Ml)
Time Friday, October 31, 2025 at 12:39:54 PM (PDT)
Friday, October 31, 2025 at 19:39:54 (UTC)
Distance from Summerlin South, NV - 19 km (12 miles) N (350 degrees)
Las Vegas, NV - 19 km (12 miles) WNW (295 degrees)
Spring Valley, NV - 23 km (14 miles) NW (319 degrees)
North Las Vegas, NV - 25 km (15 miles) W (281 degrees)
Winchester, NV - 31 km (19 miles) WNW (300 degrees)
Coordinates 36 deg. 16.1 min. N (36.269N), 115 deg. 25.1 min. W (115.418W)
Depth 6.74 km (4.20 miles)
Quality Poor
Location Quality Parameters Nst=20, Nph=20, Dmin=65.4 km, Rmss=0.3223 sec, Erho=0 km, Erzz=9.3952 km, Gp=192 degrees
Event ID# nn00906645
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