Hawaii earthquakes

M2.7 earthquake 33 km WNW of Volcano, Hawaii

A magnitude 2.7 earthquake struck 33 km WNW of Volcano, Hawaii on Fri, Nov 18, 1966, 1:00 PM GMT-10 (23:00 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M2.8 21 km SE 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
2.7 (ml), micro
Local time
UTC
1966-11-18 23:00:21 UTC
Depth
16.9 km (10.5 mi), shallow
Epicenter
19.521° N, 155.543° 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, 1.7 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
197°, poorly surrounded by stations
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: 63 in the 60 days after this one and 33 in the 30 days before it.

After

The first 60 of 63.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19660466. Read Tue, Sep 22, 2026, 10:25 PM UTC.