Hawaii earthquakes

M2.2 earthquake 20 km WSW of Volcano, Hawaii

A magnitude 2.2 earthquake struck 20 km WSW of Volcano, Hawaii on Sun, Dec 22, 1968, 7:39 PM GMT-10 (05:39 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.5 22 km N of P?hala, Hawaii. This one was a foreshock.

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

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The earthquake

Magnitude
2.2 (ml), micro
Local time
UTC
1968-12-23 05:39:47 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
19.394° N, 155.418° 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 0.9 km horizontally, 2.4 km in depth
Depth from
From location
Station coverage gap
167°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 168 in the 60 days after this one and 31 in the 30 days before it.

After

The first 60 of 168.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19681647. Read Tue, Sep 22, 2026, 4:12 PM UTC.