Vanuatu earthquakes

M6.3 earthquake 75 km SE of Isangel, Vanuatu

A magnitude 6.3 earthquake struck 75 km SE of Isangel, Vanuatu on Wed, Dec 21, 1966, 7:51 PM GMT+11 (08:51 UTC), 230 km (143 mi) below the surface.

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The earthquake

Magnitude
6.3 (mw), strong
Local time
UTC
1966-12-21 08:51:59 UTC
Depth
230.0 km (142.9 mi), intermediate-depth
Epicenter
19.980° S, 169.834° E
Region
Vanuatu
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.

Magnitude uncertainty
±0.10
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem840839. Read Tue, Sep 22, 2026, 3:56 PM UTC.