California earthquakes

M3.6 earthquake 5 km W of Hydesville, California

A magnitude 3.6 earthquake struck 5 km W of Hydesville, California on Tue, Dec 14, 1982, 11:15 AM PST (19:15 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M4.4 near the coast of Northern California. This one was a foreshock.

Hydesville forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.6 (ml), minor
Local time
UTC
1982-12-14 19:15:31 UTC
Depth
19.4 km (12.1 mi), shallow
Epicenter
40.540° N, 124.164° 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 0.3 km horizontally, 0.4 km in depth
Depth from
From location
Station coverage gap
87°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 52 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083108. Read Wed, Sep 23, 2026, 2:39 AM UTC.