California earthquakes

M2.5 earthquake 17 km N of Big Bend, California

A magnitude 2.5 earthquake struck 17 km N of Big Bend, California on Mon, Jun 21, 1982, 7:29 AM PDT (14:29 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.2 18 km N of Big Bend, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.5 (md), micro
Local time
UTC
1982-06-21 14:29:31 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
41.182° N, 121.898° 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 0.8 km horizontally, 3.0 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
95°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 61 in the 60 days after this one and 34 in the 30 days before it.

After

The first 60 of 61.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1075552. Read Mon, Sep 28, 2026, 9:34 AM UTC.