M5.9 earthquake 103 km ESE of Hihifo, Tonga
A magnitude 5.9 earthquake struck 103 km ESE of Hihifo, Tonga on Sun, May 25, 1986, 1:16 PM GMT-11 (00:16 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.1 150 km ENE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.9 (mw), moderate
- Local time
- UTC
- 1986-05-26 00:16:24 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 16.202° S, 172.859° 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 2.9 and up: 9 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.178 km E of Hihifo, Tonga · 14736 days ago · 33 km deep · 34 km away
- 5.1133 km SSE of Hihifo, Tonga · 14706 days ago · 33 km deep · 91 km away
- 6.1150 km ENE of Hihifo, Tonga · 14702 days ago · 33 km deep · 83 km away
- 4.4100 km ENE of Hihifo, Tonga · 14702 days ago · 33 km deep · 71 km away
- 5.7116 km E of Hihifo, Tonga · 14702 days ago · 33 km deep · 46 km away
- 4.3145 km ENE of Hihifo, Tonga · 14702 days ago · 33 km deep · 75 km away
- 5.1107 km ENE of Hihifo, Tonga · 14701 days ago · 33 km deep · 63 km away
- 4.8114 km E of Hihifo, Tonga · 14699 days ago · 33 km deep · 33 km away
- 4.9153 km ENE of Hihifo, Tonga · 14682 days ago · 33 km deep · 80 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002ueb (also filed as gcmtb052686a, gcmt19860526001625, iscgem496619). Read Wed, Sep 30, 2026, 3:59 PM UTC.