M4.4 earthquake 258 km NW of Haveluloto, Tonga
A magnitude 4.4 earthquake struck 258 km NW of Haveluloto, Tonga on Sat, Aug 2, 1986, 9:17 PM GMT+13 (08:17 UTC), 549 km (341 mi) below the surface.
A larger quake followed: M4.9 285 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1986-08-02 08:17:13 UTC
- Depth
- 548.6 km (340.9 mi), deep
- Epicenter
- 19.847° S, 177.270° 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 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.7Fiji region · 14662 days ago · 447 km deep · 51 km away
- 4.5287 km WNW of Haveluloto, Tonga · 14659 days ago · 559 km deep · 95 km away
- 4.5Fiji region · 14658 days ago · 595 km deep · 82 km away
- 4.9285 km WNW of Haveluloto, Tonga · 14617 days ago · 543 km deep · 96 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002wth. Read Fri, Oct 2, 2026, 2:57 PM UTC.