M6.5 earthquake 168 km NW of Pangai, Tonga
A magnitude 6.5 earthquake struck 168 km NW of Pangai, Tonga on Sun, May 15, 1983, 1:24 PM GMT+13 (00:24 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.5 (ms), strong
- Local time
- UTC
- 1983-05-15 00:24:00 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 18.907° S, 175.641° 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 2.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8181 km W of Neiafu, Tonga · 15838 days ago · 33 km deep · 32 km away
- 4.6105 km WNW of Neiafu, Tonga · 15791 days ago · 279 km deep · 87 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001vbx (also filed as gcmtc051583a, gcmt19830515002400, iscgem576296). Read Wed, Sep 23, 2026, 11:51 PM UTC.