California earthquakes

M2.1 earthquake 8 km S of Merced, California

A magnitude 2.1 earthquake struck 8 km S of Merced, California on Wed, Mar 3, 1982, 10:05 PM PST (06:05 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.1 19 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
2.1 (md), micro
Local time
UTC
1982-03-04 06:05:04 UTC
Depth
10.6 km (6.6 mi), shallow
Epicenter
37.227° N, 120.482° 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 2.0 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
256°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 90 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 90.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072628. Read Tue, Sep 22, 2026, 10:41 AM UTC.