California earthquakes

M1.8 earthquake 11 km WSW of Redcrest, California

A magnitude 1.8 earthquake struck 11 km WSW of Redcrest, California on Fri, Aug 27, 1982, 8:58 PM PDT (03:58 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 62 km WNW of Indianola, 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
1.8 (md), micro
Local time
UTC
1982-08-28 03:58:38 UTC
Depth
6.4 km (4.0 mi), shallow
Epicenter
40.346° N, 124.059° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
77°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 123 in the 60 days after this one and 54 in the 30 days before it.

After

The first 60 of 123.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1078183. Read Mon, Sep 28, 2026, 7:10 PM UTC.