M4.5 earthquake 54 km NE of Pangai, Tonga
A magnitude 4.5 earthquake struck 54 km NE of Pangai, Tonga on Wed, Aug 25, 1982, 8:13 AM GMT+13 (19:13 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 50 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
- 4.5 (mb), light
- Local time
- UTC
- 1982-08-24 19:13:29 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 19.411° S, 174.055° 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 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.250 km NW of Pangai, Tonga · 16065 days ago · 33 km deep · 66 km away
- 5.185 km ESE of Pangai, Tonga · 16063 days ago · 33 km deep · 99 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001p7z. Read Tue, Sep 22, 2026, 4:59 AM UTC.