California earthquakes

M1.8 earthquake 22 km NNE of Soledad, California

A magnitude 1.8 earthquake struck 22 km NNE of Soledad, California on Thu, Aug 12, 1982, 9:19 AM PDT (16:19 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.0 15 km SSE of Tres Pinos, 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
1982-08-12 16:19:15 UTC
Depth
5.2 km (3.3 mi), shallow
Epicenter
36.604° N, 121.207° 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 0.2 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
38°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 196.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1077410. Read Wed, Sep 23, 2026, 12:56 AM UTC.