M4.9 earthquake 293 km SW of ‘Ohonua, Tonga
A magnitude 4.9 earthquake struck 293 km SW of ‘Ohonua, Tonga on Fri, Jun 12, 1981, 10:09 PM GMT+13 (09:09 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
- 4.9 (mb), light
- Local time
- UTC
- 1981-06-12 09:09:18 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 23.527° S, 176.553° 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 1.9 and up: 1 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 usp0001e3v. Read Sun, Sep 27, 2026, 10:57 AM UTC.