M4.6 earthquake 92 km S of Hihifo, Tonga
A magnitude 4.6 earthquake struck 92 km S of Hihifo, Tonga on Sun, Jul 26, 1981, 3:49 AM GMT-11 (14:49 UTC), 93 km (58 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
- 1981-07-26 14:49:19 UTC
- Depth
- 93.0 km (57.8 mi), intermediate-depth
- Epicenter
- 16.779° S, 173.638° 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
- CONSTRAINED_BY_DEPTH_PHASES
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 2 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001eyb. Read Mon, Sep 28, 2026, 3:53 AM UTC.