M5.8 earthquake 21 km N of Port-Olry, Vanuatu
A magnitude 5.8 earthquake struck 21 km N of Port-Olry, Vanuatu on Wed, Nov 23, 1966, 1:19 PM GMT+11 (02:19 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M6.8 55 km W of Sola, Vanuatu. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1966-11-23 02:19:13 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 14.847° S, 167.041° E
- Region
- Vanuatu
- Strongest shaking
- V, moderate shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 9.5% of gravity
- Peak ground velocity
- 1.8 cm/s
- Map
- Automatic

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
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.8 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.556 km NE of Port-Olry, Vanuatu · 21856 days ago · 166 km deep · 44 km away
- 6.855 km W of Sola, Vanuatu · 21855 days ago · 125 km deep · 99 km away
Before
Earthquakes todayVanuatu earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem841861. Read Thu, Oct 1, 2026, 11:31 PM UTC.