Hawaii earthquakes

M4.3 earthquake 16 km SSW of Volcano, Hawaii

A magnitude 4.3 earthquake struck 16 km SSW of Volcano, Hawaii on Tue, Apr 22, 1986, 6:43 PM HST (04:43 UTC), 31 km (19 mi) below the surface.

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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: 4.3 (ml), light
Local time: Tue, Apr 22, 1986, 6:43 PM HST
UTC: 1986-04-23 04:43:51 UTC
Depth: 31.0 km (19.3 mi), shallow
Epicenter: 19.297° N, 155.267° 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 0.6 km horizontally, 1.1 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 119°
Stations used: 50

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv212834 (also filed as ushis3927, usp0002t4k). Read Tue, Sep 22, 2026, 4:01 PM UTC.