M4.5 earthquake 37 km W of Port-Olry, Vanuatu
A magnitude 4.5 earthquake struck 37 km W of Port-Olry, Vanuatu on Sat, Oct 31, 1981, 5:32 PM GMT+11 (06:32 UTC), 56 km (35 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1981-10-31 06:32:23 UTC
- Depth
- 56.2 km (34.9 mi), shallow
- Epicenter
- 15.089° S, 166.731° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.438 km E of Luganville, Vanuatu · 16370 days ago · 132 km deep · 95 km away
- 4.552 km W of Port-Olry, Vanuatu · 16369 days ago · 48 km deep · 16 km away
Before
Earthquakes todayVanuatu earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001gr2. Read Tue, Sep 22, 2026, 4:34 AM UTC.