California earthquakes

M2.3 earthquake 24 km ENE of Soledad, California

A magnitude 2.3 earthquake struck 24 km ENE of Soledad, California on Tue, Dec 11, 1984, 5:25 PM PST (01:25 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.8 8 km WNW of Bradley, 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
2.3 (md), micro
Local time
UTC
1984-12-12 01:25:37 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
36.497° N, 121.073° 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, 0.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
67°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 193.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc34089. Read Tue, Sep 22, 2026, 12:12 PM UTC.