Hawaii earthquakes

M2.4 earthquake 19 km WSW of Volcano, Hawaii

A magnitude 2.4 earthquake struck 19 km WSW of Volcano, Hawaii on Wed, Oct 23, 1963, 6:29 PM GMT-10 (04:29 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.6 14 km NNE 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
2.4 (ml), micro
Local time
UTC
1963-10-24 04:29:48 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
19.381° N, 155.406° 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 1.7 km horizontally, 0.9 km in depth
Depth from
From location
Station coverage gap
211°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 102 in the 30 days before it.

After

The first 60 of 97.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19631025. Read Tue, Sep 22, 2026, 9:15 AM UTC.