California earthquakes

M1.6 earthquake 5 km SSW of Swall Meadows, California

A magnitude 1.6 earthquake struck 5 km SSW of Swall Meadows, California on Thu, Jun 24, 1982, 7:56 PM PDT (02:56 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.0 8 km WSW of Mammoth Lakes, 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
1.6 (md), micro
Local time
UTC
1982-06-25 02:56:43 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
37.463° N, 118.672° 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 1.8 km horizontally, 3.2 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
230°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 198.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1075659. Read Tue, Sep 22, 2026, 11:20 AM UTC.