M4.6 earthquake 147 km WNW of Neiafu, Tonga
A magnitude 4.6 earthquake struck 147 km WNW of Neiafu, Tonga on Sun, Apr 4, 1982, 8:20 AM GMT+13 (19:20 UTC), 210 km (131 mi) below the surface.
A larger quake followed: M4.8 182 km NW of Neiafu, 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
- 1982-04-03 19:20:59 UTC
- Depth
- 210.3 km (130.7 mi), intermediate-depth
- Epicenter
- 18.104° S, 175.255° 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 1.6 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8182 km NW of Neiafu, Tonga · 16205 days ago · 184 km deep · 47 km away
- 5.0208 km NW of Neiafu, Tonga · 16198 days ago · 221 km deep · 73 km away
- 5.2151 km NW of Neiafu, Tonga · 16195 days ago · 231 km deep · 54 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001kh8. Read Tue, Sep 22, 2026, 5:31 AM UTC.