California earthquakes

M2.0 earthquake 2 km S of Avenal, California

A magnitude 2.0 earthquake struck 2 km S of Avenal, California on Wed, Oct 16, 1985, 9:09 AM PDT (16:09 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.1 4 km SSW of Monmouth, 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
2.0 (md), micro
Local time
UTC
1985-10-16 16:09:14 UTC
Depth
13.9 km (8.7 mi), shallow
Epicenter
35.983° N, 120.126° 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 0.6 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
184°, poorly surrounded by stations
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 57 in the 30 days before it.

After

The first 60 of 139.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc57067. Read Tue, Sep 22, 2026, 9:20 PM UTC.