M4.7 earthquake 114 km NW of Neiafu, Tonga
A magnitude 4.7 earthquake struck 114 km NW of Neiafu, Tonga on Mon, Jun 2, 1986, 1:51 AM GMT+13 (12:51 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 115 km NNW 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
- 4.7 (ms), light
- Local time
- UTC
- 1986-06-01 12:51:39 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.819° S, 174.620° 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 1.7 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.7102 km NW of Neiafu, Tonga · 14722 days ago · 33 km deep · 12 km away
- 4.9115 km NNW of Neiafu, Tonga · 14697 days ago · 33 km deep · 12 km away
- 4.8143 km SW of Hihifo, Tonga · 14676 days ago · 145 km deep · 98 km away
- 5.2114 km NW of Neiafu, Tonga · 14664 days ago · 174 km deep · 36 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002unv. Read Tue, Sep 22, 2026, 6:34 AM UTC.