Nevada earthquakes

M1.8 earthquake 46km WSW of Tonopah, NV

A magnitude 1.8 earthquake struck 46km WSW of Tonopah, NV on Tue, Apr 20, 1982, 1:17 PM PST (21:17 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.3 10 km NNE of Dixon Lane-Meadow Creek, California. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1982-04-20 21:17:14 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
37.978° N, 117.746° 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
227°, 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: 26 in the 60 days after this one and 7 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci529034. Read Thu, Oct 1, 2026, 10:46 AM UTC.