California earthquakes

M1.6 earthquake 11 km WSW of Huron, California

A magnitude 1.6 earthquake struck 11 km WSW of Huron, California on Tue, Jan 29, 1985, 12:11 AM PST (08:11 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.5 11 km SSE of Huron, 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
1.6 (md), micro
Local time
UTC
1985-01-29 08:11:44 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
36.156° N, 120.222° 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 0.5 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
85°
Stations used
19

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 nc39099 (also filed as ci59764). Read Sat, Sep 26, 2026, 10:32 PM UTC.