M5.8 earthquake Tonga
A magnitude 5.8 earthquake struck in Tonga on Sun, Mar 30, 1986, 4:05 AM GMT+13 (15:05 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1986-03-29 15:05:44 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.704° S, 174.602° 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 2.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.6138 km SSW of Hihifo, Tonga · 14784 days ago · 33 km deep · 77 km away
- 4.4113 km NW of Neiafu, Tonga · 14782 days ago · 210 km deep · 39 km away
- 5.5147 km SSW of Hihifo, Tonga · 14761 days ago · 131 km deep · 74 km away
- 4.5195 km NW of Neiafu, Tonga · 14754 days ago · 243 km deep · 75 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002sdx (also filed as gcmtb032986b, gcmt19860329150544, iscgem502303). Read Thu, Sep 24, 2026, 2:54 AM UTC.