M4.7 earthquake 274 km W of Haveluloto, Tonga
A magnitude 4.7 earthquake struck 274 km W of Haveluloto, Tonga on Mon, Jun 1, 1981, 8:45 PM GMT+13 (07:45 UTC), 478 km (297 mi) below the surface.
A larger quake followed: M5.2 288 km WNW of Haveluloto, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-06-01 07:45:37 UTC
- Depth
- 477.5 km (296.7 mi), deep
- Epicenter
- 20.776° S, 177.822° 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 1.7 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8278 km WNW of Haveluloto, Tonga · 16550 days ago · 510 km deep · 51 km away
- 5.2288 km WNW of Haveluloto, Tonga · 16546 days ago · 531 km deep · 25 km away
- 5.0288 km WNW of Haveluloto, Tonga · 16543 days ago · 402 km deep · 80 km away
- 5.1Fiji region · 16530 days ago · 591 km deep · 76 km away
- 4.3276 km WNW of Haveluloto, Tonga · 16518 days ago · 486 km deep · 25 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001dz3. Read Thu, Oct 1, 2026, 12:15 PM UTC.