M2.5 earthquake 48km S of Tonopah, NV
A magnitude 2.5 earthquake struck 48km S of Tonopah, NV on Wed, Aug 21, 1985, 8:05 PM PDT (03:05 UTC), 4 km (2 mi) below the surface.
A larger quake followed: M4.0 19 km SW of Goldfield, Nevada. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (mc), micro
- Local time
- UTC
- 1985-08-22 03:05:15 UTC
- Depth
- 3.6 km (2.2 mi), shallow
- Epicenter
- 37.635° N, 117.231° W
- Region
- Nevada
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- Operator assigned
- Station coverage gap
- 258°, poorly surrounded by stations
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.019 km SW of Goldfield, Nevada · 15006 days ago · 5 km deep · 15 km away
- 2.651km SSW of Tonopah, NV · 15006 days ago · 4 km deep · 11 km away
- 2.848km SSW of Tonopah, NV · 15006 days ago · 4 km deep · 10 km away
- 3.251km SSW of Tonopah, NV · 15006 days ago · 5 km deep · 17 km away
- 2.461km E of Big Pine, CA · 15004 days ago · 5 km deep · 56 km away
- 2.561km E of Big Pine, CA · 15004 days ago · 5 km deep · 57 km away
- 2.120 km SSE of Dyer, Nevada · 15001 days ago · 3 km deep · 65 km away
- 3.722 km E of Big Pine, California · 14995 days ago · 9 km deep · 86 km away
- 2.417km NNW of Stovepipe Wells, CA · 14990 days ago · 5 km deep · 99 km away
- 3.357 km NE of Beatty, Nevada · 14969 days ago · 5 km deep · 95 km away
Before
Earthquakes todayNevada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci110372. Read Tue, Sep 22, 2026, 10:50 AM UTC.