Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Seismological Laboratory, University of Nevada, Reno


Version #906659: 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 10:29:45 PM (PDT) on Friday, October 31, 2025.
The magnitude 1.7 event occurred 82 km (51 miles) NE (55 degrees) of Tonopah, NV.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.7 - local magnitude (Ml)
Time Friday, October 31, 2025 at 10:29:45 PM (PDT)
Saturday, November 1, 2025 at 5:29:45 (UTC)
Distance from Tonopah, NV - 82 km (51 miles) NE (55 degrees)
Austin, NV - 123 km (76 miles) SSE (155 degrees)
Ely, NV - 161 km (100 miles) WSW (239 degrees)
Alamo, NV - 170 km (105 miles) NW (318 degrees)
McGill, NV - 178 km (110 miles) SW (236 degrees)
Coordinates 38 deg. 29.6 min. N (38.493N), 116 deg. 28.0 min. W (116.466W)
Depth 1.28 km (0.80 miles)
Quality Poor
Location Quality Parameters Nst=9, Nph=9, Dmin=78.4 km, Rmss=0.2475 sec, Erho=0 km, Erzz=11.1564 km, Gp=168 degrees
Event ID# nn00906659
Additional Information Map

For more information, see https://earthquake.usgs.gov

[ Index map || Big earthquake list || All earthquake list || Glossary of terms || Top page ]
[ Did you feel it? || ShakeMaps || Relative2Me ]
[ Data Sources ]

Special maps
Long Valley || Los Angeles || San Francisco

Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)