M5.8 earthquake 75 km SE of Pangai, Tonga
A magnitude 5.8 earthquake struck 75 km SE of Pangai, Tonga on Fri, Apr 3, 1970, 12:11 AM GMT+13 (11:11 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M6.0 97 km SSE 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
- 5.8 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1970-04-02 11:11:40 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.320° S, 173.864° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.8 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem796214. Read Sun, Oct 4, 2026, 8:44 PM UTC.