M4.6 earthquake 215 km WNW of Haveluloto, Tonga
A magnitude 4.6 earthquake struck 215 km WNW of Haveluloto, Tonga on Tue, Apr 12, 1983, 6:24 PM GMT+13 (05:24 UTC), 541 km (336 mi) below the surface.
A larger quake followed: M5.0 119 km WNW of Haveluloto, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1983-04-12 05:24:59 UTC
- Depth
- 540.9 km (336.1 mi), deep
- Epicenter
- 20.493° S, 177.166° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.3299 km WNW of Haveluloto, Tonga · 15872 days ago · 483 km deep · 84 km away
- 5.0119 km WNW of Haveluloto, Tonga · 15861 days ago · 223 km deep · 99 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001uce. Read Thu, Oct 1, 2026, 12:48 AM UTC.