Hawaii earthquakes

M2.4 earthquake 32 km SSE of Fern Forest, Hawaii

A magnitude 2.4 earthquake struck 32 km SSE of Fern Forest, Hawaii on Thu, May 23, 1968, 10:23 AM GMT-10 (20:23 UTC), 52 km (33 mi) below the surface.

A larger quake followed: M2.6 5 km WSW of Volcano, Hawaii. This one was a foreshock.

Fern Forest forecast More 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: Thu, May 23, 1968, 10:23 AM GMT-10
UTC: 1968-05-23 20:23:41 UTC
Depth: 52.4 km (32.6 mi), shallow
Epicenter: 19.190° N, 155.038° 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 4.6 km horizontally, 3.7 km in depth
Depth from: From location
Station coverage gap: 276°, poorly surrounded by stations
Stations used: 15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 38 in the 30 days before it.

After

The first 60 of 160.

Before

Earthquakes today Hawaii earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19680508. Read Tue, Sep 22, 2026, 10:33 PM UTC.