M4.7 earthquake 52 km ENE of ‘Ohonua, Tonga
A magnitude 4.7 earthquake struck 52 km ENE of ‘Ohonua, Tonga on Tue, Jun 3, 1986, 7:56 AM GMT+13 (18:56 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 118 km ENE of ‘Ohonua, 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
- 1986-06-02 18:56:03 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 21.100° S, 174.508° 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
- 4.9118 km ENE of ‘Ohonua, Tonga · 14707 days ago · 33 km deep · 66 km away
- 5.267 km NE of ‘Ohonua, Tonga · 14707 days ago · 33 km deep · 18 km away
- 4.844 km SE of ‘Ohonua, Tonga · 14691 days ago · 33 km deep · 62 km away
- 5.584 km S of Pangai, Tonga · 14673 days ago · 37 km deep · 63 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002uq9. Read Tue, Sep 22, 2026, 10:57 AM UTC.