California earthquakes

M2.1 earthquake 5 km ENE of Avenal, California

A magnitude 2.1 earthquake struck 5 km ENE of Avenal, California on Mon, Sep 23, 1985, 12:41 PM PDT (19:41 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.0 10 km WNW of Templeton, 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
1985-09-23 19:41:36 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
36.029° N, 120.071° 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, 0.2 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
162°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 48 in the 30 days before it.

After

The first 60 of 148.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc55679 (also filed as ci119519). Read Tue, Sep 22, 2026, 5:16 PM UTC.