Hawaii earthquakes

M1.7 earthquake 12 km SSE of Fern Forest, Hawaii

A magnitude 1.7 earthquake struck 12 km SSE of Fern Forest, Hawaii on Tue, May 20, 1980, 11:33 PM HST (09:33 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M2.6 19 km W of Volcano, 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
1.7 (ml), micro
Local time
UTC
1980-05-21 09:33:34 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
19.357° N, 155.101° 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 0.7 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.33
Depth from
From location
Station coverage gap
178°
Stations used
20

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 hv19801521. Read Tue, Sep 22, 2026, 10:51 AM UTC.