M4.8 earthquake 48 km ENE of ‘Ohonua, Tonga
A magnitude 4.8 earthquake struck 48 km ENE of ‘Ohonua, Tonga on Tue, Feb 25, 1986, 12:21 AM GMT+13 (11:21 UTC), 103 km (64 mi) below the surface.
A larger quake followed: M4.9 24 km ESE 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
- 4.8 (mb), light
- Local time
- UTC
- 1986-02-24 11:21:31 UTC
- Depth
- 102.6 km (63.8 mi), intermediate-depth
- Epicenter
- 21.203° S, 174.504° 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 1.8 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.428 km E of ‘Ohonua, Tonga · 14803 days ago · 152 km deep · 24 km away
- 4.3104 km ENE of ‘Ohonua, Tonga · 14793 days ago · 33 km deep · 56 km away
- 4.924 km ESE of ‘Ohonua, Tonga · 14792 days ago · 33 km deep · 32 km away
- 4.573 km NE of Kolonga, Tonga · 14789 days ago · 160 km deep · 70 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002r97. Read Tue, Sep 22, 2026, 8:25 PM UTC.