M5.2 earthquake 101 km SE of ‘Ohonua, Tonga
A magnitude 5.2 earthquake struck 101 km SE of ‘Ohonua, Tonga on Sat, Apr 16, 1983, 10:00 AM GMT+13 (21:00 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.8 72 km E of ‘Ohonua, 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), moderate
- Local time
- UTC
- 1983-04-15 21:00:22 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 21.862° S, 174.146° 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: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.673 km ENE of ‘Ohonua, Tonga · 15862 days ago · 21 km deep · 82 km away
- 5.872 km E of ‘Ohonua, Tonga · 15859 days ago · 23 km deep · 58 km away
- 5.378 km E of ‘Ohonua, Tonga · 15853 days ago · 33 km deep · 65 km away
- 5.7155 km E of ‘Ohonua, Tonga · 15847 days ago · 33 km deep · 86 km away
- 5.1Tonga · 15842 days ago · 33 km deep · 97 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001ugh. Read Wed, Sep 30, 2026, 6:36 AM UTC.