Hawaii earthquakes

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

A magnitude 2.4 earthquake struck 13 km SSE of Fern Forest, Hawaii on Tue, Sep 19, 1978, 12:24 AM HST (10:24 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.4 13 km SSE of Volcano, 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
1978-09-19 10:24:16 UTC
Depth
7.6 km (4.8 mi), shallow
Epicenter
19.346° N, 155.095° 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 0.5 km horizontally, 0.6 km in depth
Depth from
From location
Station coverage gap
99°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 198.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19781569. Read Tue, Sep 22, 2026, 9:21 PM UTC.