California earthquakes

M2.1 earthquake 15 km NW of Huron, California

A magnitude 2.1 earthquake struck 15 km NW of Huron, California on Mon, Jan 30, 1984, 2:18 AM PST (10:18 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.4 22 km ENE of Soledad, 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
1984-01-30 10:18:48 UTC
Depth
2.4 km (1.5 mi), shallow
Epicenter
36.295° N, 120.235° 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, 1.0 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
235°, 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: 189 in the 60 days after this one and 8 in the 30 days before it.

After

The first 60 of 189.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc4020. Read Tue, Sep 22, 2026, 10:41 AM UTC.