Hawaii earthquakes

M2.4 earthquake 23 km NW of Volcano, Hawaii

A magnitude 2.4 earthquake struck 23 km NW of Volcano, Hawaii on Thu, Apr 21, 1960, 6:51 AM GMT-10 (16:51 UTC), 59 km (36 mi) below the surface.

A larger quake followed: M2.5 26 km SSE of Waimea, 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
1960-04-21 16:51:05 UTC
Depth
58.5 km (36.4 mi), shallow
Epicenter
19.578° N, 155.410° 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 2.3 km horizontally, 1.6 km in depth
Depth from
From location
Station coverage gap
251°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 131 in the 60 days after this one and 23 in the 30 days before it.

After

The first 60 of 131.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19600643. Read Tue, Sep 22, 2026, 8:25 PM UTC.