M4.6 earthquake 175 km SSW of Vaini, Tonga
A magnitude 4.6 earthquake struck 175 km SSW of Vaini, Tonga on Fri, Jun 12, 1981, 6:02 PM GMT+13 (05:02 UTC), 127 km (79 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1981-06-12 05:02:59 UTC
- Depth
- 126.5 km (78.6 mi), intermediate-depth
- Epicenter
- 22.573° S, 176.021° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001e3q. Read Thu, Sep 24, 2026, 1:23 PM UTC.