M6.3 earthquake 26 km SSE of Pangai, Tonga
A magnitude 6.3 earthquake struck 26 km SSE of Pangai, Tonga on Thu, Nov 5, 1981, 3:38 AM GMT+13 (14:38 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mb), strong
- Local time
- UTC
- 1981-11-04 14:38:10 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 20.046° S, 174.276° W
- Region
- Tonga
- Strongest shaking
- VI, strong 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
- VI, strong shaking
- 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.3 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.298 km NE of ‘Ohonua, Tonga · 16371 days ago · 33 km deep · 86 km away
- 4.994 km ENE of Kolonga, Tonga · 16357 days ago · 33 km deep · 71 km away
- 4.810 km SSE of Pangai, Tonga · 16352 days ago · 33 km deep · 16 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001gtb (also filed as gcmtc110481a, gcmt19811104143810, iscgem608232, atlas19811104143812). Read Mon, Sep 28, 2026, 11:11 AM UTC.