California earthquakes

M3.4 earthquake 18 km N of Big Bend, California

A magnitude 3.4 earthquake struck 18 km N of Big Bend, California on Mon, Jun 21, 1982, 1:58 AM PDT (08:58 UTC), 8 km (5 mi) below the surface.

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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
3.4 (ml), minor
Local time
UTC
1982-06-21 08:58:23 UTC
Depth
8.3 km (5.2 mi), shallow
Epicenter
41.190° N, 121.923° W
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.

Location uncertainty
About 0.4 km horizontally, 1.7 km in depth
Depth from
From location
Station coverage gap
80°
Stations used
15

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 70 in the 60 days after this one and 24 in the 30 days before it.

After

The first 60 of 70.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1075536 (also filed as usp0001n1z). Read Wed, Sep 30, 2026, 9:15 PM UTC.