California earthquakes

M2.1 earthquake 21 km NNE of Soledad, California

A magnitude 2.1 earthquake struck 21 km NNE of Soledad, California on Sun, Feb 6, 1983, 9:48 AM PST (17:48 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 37 km SSW of South Dos Palos, California. This one was a foreshock.

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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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-02-06 17:48:27 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
36.590° N, 121.190° 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, 0.5 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
36°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 162 in the 60 days after this one and 82 in the 30 days before it.

After

The first 60 of 162.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1087496. Read Thu, Oct 1, 2026, 9:09 PM UTC.