M4.3 earthquake 276 km WNW of Haveluloto, Tonga
A magnitude 4.3 earthquake struck 276 km WNW of Haveluloto, Tonga on Sat, Jul 11, 1981, 9:15 PM GMT+13 (08:15 UTC), 486 km (302 mi) below the surface.
A larger quake followed: M4.9 Fiji region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-07-11 08:15:44 UTC
- Depth
- 486.4 km (302.2 mi), deep
- Epicenter
- 20.554° S, 177.791° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.7Fiji region · 16515 days ago · 605 km deep · 98 km away
- 4.9Fiji region · 16491 days ago · 423 km deep · 48 km away
- 4.9276 km WNW of Haveluloto, Tonga · 16471 days ago · 557 km deep · 15 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001emr. Read Sat, Oct 3, 2026, 4:20 PM UTC.