California earthquakes

M2.0 earthquake 8 km SSW of Huron, California

A magnitude 2.0 earthquake struck 8 km SSW of Huron, California on Mon, Sep 17, 1984, 3:05 PM PDT (22:05 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M3.4 4 km WSW 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-09-17 22:05:04 UTC
Depth
25.0 km (15.5 mi), shallow
Epicenter
36.134° N, 120.154° 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 1.5 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
127°
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: 130 in the 60 days after this one and 80 in the 30 days before it.

After

The first 60 of 130.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1120310. Read Fri, Oct 2, 2026, 7:30 AM UTC.