M4.7 earthquake 102 km NW of Neiafu, Tonga
A magnitude 4.7 earthquake struck 102 km NW of Neiafu, Tonga on Mon, Jun 2, 1986, 11:53 AM GMT+13 (22:53 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 (mb), light
- Local time
- UTC
- 1986-06-01 22:53:05 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.907° S, 174.561° 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: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.9115 km NNW of Neiafu, Tonga · 14697 days ago · 33 km deep · 18 km away
- 5.2114 km NW of Neiafu, Tonga · 14665 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 usp0002upb. Read Tue, Sep 22, 2026, 4:15 PM UTC.