M4.8 earthquake 56 km NNE of Kolonga, Tonga
A magnitude 4.8 earthquake struck 56 km NNE of Kolonga, Tonga on Tue, Nov 1, 1977, 2:07 AM GMT+13 (13:07 UTC), 86 km (53 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1977-10-31 13:07:27 UTC
- Depth
- 86.0 km (53.4 mi), intermediate-depth
- Epicenter
- 20.681° S, 174.816° W
- Region
- Tonga
- 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.
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 0 in the 60 days after this one and 3 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000raq. Read Wed, Sep 23, 2026, 2:11 PM UTC.