California earthquakes

M1.7 earthquake 15 km NW of Huron, California

A magnitude 1.7 earthquake struck 15 km NW of Huron, California on Tue, Apr 10, 1984, 12:07 PM PST (20:07 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.4 7 km NE of Coalinga, California. This one was a foreshock.

Huron forecastMore in California

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
1984-04-10 20:07:29 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
36.318° N, 120.211° 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 1.2 km horizontally, 2.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
123°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 119 in the 30 days before it.

After

The first 60 of 193.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc14831. Read Wed, Sep 30, 2026, 6:46 AM UTC.