Hawaii earthquakes

M2.8 earthquake 9 km SW of Volcano, Hawaii

A magnitude 2.8 earthquake struck 9 km SW of Volcano, Hawaii on Wed, Nov 30, 1966, 5:47 AM GMT-10 (15:47 UTC), 30 km (19 mi) below the surface.

A larger quake followed: M2.9 7 km ESE of Honaunau-Napoopoo, 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
2.8 (ml), micro
Local time
UTC
1966-11-30 15:47:32 UTC
Depth
30.1 km (18.7 mi), shallow
Epicenter
19.375° N, 155.289° 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 0.9 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
127°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 65 in the 60 days after this one and 34 in the 30 days before it.

After

The first 60 of 65.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19660480. Read Tue, Sep 22, 2026, 8:47 AM UTC.