M5.2 earthquake 113 km WNW of Neiafu, Tonga
A magnitude 5.2 earthquake struck 113 km WNW of Neiafu, Tonga on Sat, Apr 30, 1983, 8:32 PM GMT+13 (07:32 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.5 168 km NW of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1983-04-30 07:32:08 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 18.320° S, 175.005° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.3100 km WNW of Neiafu, Tonga · 15858 days ago · 74 km deep · 17 km away
- 6.5168 km NW of Pangai, Tonga · 15846 days ago · 33 km deep · 94 km away
- 4.8181 km W of Neiafu, Tonga · 15846 days ago · 33 km deep · 82 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001uvj. Read Fri, Oct 2, 2026, 10:27 AM UTC.