Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Seismological Laboratory, University of Nevada, Reno
Version #906180: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:00:28 AM (PDT) on Tuesday, October 21, 2025.
The magnitude 1.5 event occurred 46 km (29 miles) SSW of Smith Valley, NV.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.5 - local magnitude (Ml) |
| Time | Tuesday, October 21, 2025 at 4:00:28 AM (PDT) Tuesday, October 21, 2025 at 11:00:28 (UTC) |
| Distance from |
Smith Valley, NV - 46 km (29 miles) SSW (205 degrees) Smith, NV - 48 km (30 miles) SSW (206 degrees) Gardnerville Ranchos, NV - 55 km (34 miles) SSE (164 degrees) Gardnerville, NV - 61 km (38 miles) SSE (165 degrees) Minden, NV - 63 km (39 miles) SSE (164 degrees) |
| Coordinates | 38 deg. 24.6 min. N (38.410N), 119 deg. 33.9 min. W (119.565W) |
| Depth | 9.37 km (5.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=13, Nph=20, Dmin=12.9 km, Rmss=0.1523 sec, Erho=0 km, Erzz=4.1776 km, Gp=118 degrees |
| Event ID# | nn00906180 |
| 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)
