M4.4 earthquake 285 km W of Haveluloto, Tonga
A magnitude 4.4 earthquake struck 285 km W of Haveluloto, Tonga on Tue, Sep 29, 1981, 5:25 AM GMT+13 (16:25 UTC), 446 km (277 mi) below the surface.
A larger quake followed: M5.8 Fiji region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-09-28 16:25:49 UTC
- Depth
- 446.1 km (277.2 mi), deep
- Epicenter
- 21.365° S, 177.958° 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.
- 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 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001g5e. Read Thu, Oct 1, 2026, 4:13 AM UTC.