California earthquakes

M1.7 earthquake 8 km N of Avenal, California

A magnitude 1.7 earthquake struck 8 km N of Avenal, California on Fri, Aug 16, 1985, 6:26 PM PDT (01:26 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M1.8 4 km NNW of Avenal, 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
1.7 (md), micro
Local time
UTC
1985-08-17 01:26:02 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
36.080° N, 120.118° 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 1.1 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.49
Depth from
From location
Station coverage gap
150°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 197.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc55132. Read Tue, Sep 22, 2026, 8:26 PM UTC.