California earthquakes

M4.6 earthquake 23 km WSW of Weott, California

A magnitude 4.6 earthquake struck 23 km WSW of Weott, California on Fri, Jul 17, 1981, 9:37 AM PDT (16:37 UTC), 10 km (6 mi) below the surface.

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The earthquake

Magnitude: 4.6 (ml), light
Local time: Fri, Jul 17, 1981, 9:37 AM PDT
UTC: 1981-07-17 16:37:32 UTC
Depth: 10.3 km (6.4 mi), shallow
Epicenter: 40.228° N, 124.168° W
Region: California
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 0.6 km horizontally, 0.7 km in depth
Depth from: From location
Station coverage gap: 180°
Stations used: 31

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 117 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 117.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1065656 (also filed as ushis3721, usp0001es9, iscgem623855). Read Tue, Sep 22, 2026, 8:32 PM UTC.