Hawaii earthquakes

M4.1 earthquake 16 km WSW of Hilo, Hawaii

A magnitude 4.1 earthquake struck 16 km WSW of Hilo, Hawaii on Tue, Sep 30, 1986, 10:02 PM HST (08:02 UTC), 35 km (21 mi) below the surface.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.1 (ml), light
Local time
UTC
1986-10-01 08:02:16 UTC
Depth
34.6 km (21.5 mi), shallow
Epicenter
19.682° N, 155.235° 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, 0.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
140°
Stations used
49

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 174 in the 30 days before it.

After

The first 60 of 198.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv223385. Read Wed, Sep 30, 2026, 9:59 PM UTC.