Hawaii earthquakes

M3.1 earthquake 14 km S of Volcano, Hawaii

A magnitude 3.1 earthquake struck 14 km S of Volcano, Hawaii on Mon, Dec 5, 1966, 10:21 PM GMT-10 (08:21 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.3 7 km WSW of Kailua-Kona, Hawaii. 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
3.1 (ml), minor
Local time
UTC
1966-12-06 08:21:26 UTC
Depth
7.0 km (4.4 mi), shallow
Epicenter
19.309° N, 155.229° W
Region
Hawaii
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 1.0 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
141°
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: 70 in the 60 days after this one and 36 in the 30 days before it.

After

The first 60 of 70.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19660487. Read Tue, Sep 22, 2026, 10:52 AM UTC.