M4.6 earthquake 177 km WNW of Haveluloto, Tonga
A magnitude 4.6 earthquake struck 177 km WNW of Haveluloto, Tonga on Fri, Jun 5, 1981, 12:50 PM GMT+13 (23:50 UTC), 285 km (177 mi) below the surface.
A larger quake followed: M5.3 120 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-06-04 23:50:28 UTC
- Depth
- 284.7 km (176.9 mi), intermediate-depth
- Epicenter
- 20.552° S, 176.796° 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: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8236 km WNW of Haveluloto, Tonga · 16544 days ago · 342 km deep · 72 km away
- 5.3120 km WNW of Haveluloto, Tonga · 16538 days ago · 233 km deep · 58 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001e0p. Read Thu, Oct 1, 2026, 11:43 AM UTC.