California earthquakes

M3.3 earthquake 7 km SSW of Avenal, California

A magnitude 3.3 earthquake struck 7 km SSW of Avenal, California on Fri, Jan 27, 1984, 7:41 AM PST (15:41 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.1 15 km N of Coalinga, 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
3.3 (md), minor
Local time
UTC
1984-01-27 15:41:54 UTC
Depth
11.4 km (7.1 mi), shallow
Epicenter
35.944° N, 120.158° 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, 0.5 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
171°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 22 in the 30 days before it.

After

The first 60 of 171.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc3574 (also filed as ci30354). Read Tue, Sep 22, 2026, 9:16 AM UTC.