M2.8 earthquake 48km SSW of Tonopah, NV
A magnitude 2.8 earthquake struck 48km SSW of Tonopah, NV on Wed, Aug 21, 1985, 8:53 PM PDT (03:53 UTC), 4 km (2 mi) below the surface.
A larger quake followed: M3.2 51km SSW of Tonopah, NV. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.8 (mc), micro
- Local time
- UTC
- 1985-08-22 03:53:01 UTC
- Depth
- 3.6 km (2.2 mi), shallow
- Epicenter
- 37.650° N, 117.339° 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
- 254°, 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: 5 in the 60 days after this one and 10 in the 30 days before it.
After
- 3.251km SSW of Tonopah, NV · 15006 days ago · 5 km deep · 8 km away
- 2.461km E of Big Pine, CA · 15004 days ago · 5 km deep · 52 km away
- 2.561km E of Big Pine, CA · 15004 days ago · 5 km deep · 53 km away
- 2.120 km SSE of Dyer, Nevada · 15001 days ago · 3 km deep · 56 km away
- 3.722 km E of Big Pine, California · 14995 days ago · 9 km deep · 80 km away
Before
- 2.651km SSW of Tonopah, NV · 15006 days ago · 4 km deep · 4 km away
- 4.019 km SW of Goldfield, Nevada · 15006 days ago · 5 km deep · 9 km away
- 2.548km S of Tonopah, NV · 15006 days ago · 4 km deep · 10 km away
- 3.010 km SSW of Goldfield, Nevada · 15006 days ago · 5 km deep · 6 km away
- 2.04 km ESE of Bishop, California · 15007 days ago · 6 km deep · 95 km away
- 1.87 km ESE of Wilkerson, California · 15015 days ago · 3 km deep · 95 km away
- 2.316km NNW of Beatty, NV · 15026 days ago · 5 km deep · 82 km away
- 2.520km NW of Beatty, NV · 15029 days ago · 5 km deep · 79 km away
- 3.227 km NNW of Beatty, Nevada · 15029 days ago · 5 km deep · 70 km away
- 2.57 km SE of Wilkerson, California · 15031 days ago · 9 km deep · 100 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci110266. Read Tue, Sep 22, 2026, 9:25 AM UTC.