Hawaii earthquakes

M2.4 earthquake 13 km S of Fern Forest, Hawaii

A magnitude 2.4 earthquake struck 13 km S of Fern Forest, Hawaii on Wed, Sep 18, 1968, 7:58 PM GMT-10 (05:58 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.1 13 km NNW of Wai‘?hinu, Hawaii. This one was a foreshock.

Fern Forest forecastMore in Hawaii

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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
1968-09-19 05:58:25 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
19.341° N, 155.125° 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 4.2 km horizontally, 3.8 km in depth
Depth from
From location
Station coverage gap
279°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 154 in the 60 days after this one and 45 in the 30 days before it.

After

The first 60 of 154.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19681027. Read Tue, Sep 22, 2026, 9:34 PM UTC.