M4.5 earthquake 109 km SE of Hihifo, Tonga
A magnitude 4.5 earthquake struck 109 km SE of Hihifo, Tonga on Tue, Jun 2, 1981, 5:39 PM GMT-11 (04:39 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.4 153 km NE of Neiafu, 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
- 1981-06-03 04:39:14 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 16.701° S, 173.118° 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: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.1131 km ESE of Hihifo, Tonga · 16542 days ago · 47 km deep · 39 km away
- 5.086 km SE of Hihifo, Tonga · 16522 days ago · 33 km deep · 24 km away
- 4.692 km S of Hihifo, Tonga · 16500 days ago · 93 km deep · 56 km away
- 5.4153 km NE of Neiafu, Tonga · 16497 days ago · 42 km deep · 97 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001dzx. Read Mon, Sep 28, 2026, 2:38 PM UTC.