M5.5 earthquake 93 km WNW of Hihifo, Tonga
A magnitude 5.5 earthquake struck 93 km WNW of Hihifo, Tonga on Tue, Dec 2, 1986, 9:17 PM GMT-11 (08:17 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
- 5.5 (mw), moderate
- Local time
- UTC
- 1986-12-03 08:17:52 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.722° S, 174.631° 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: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.8104 km WNW of Hihifo, Tonga · 14536 days ago · 295 km deep · 22 km away
- 4.692 km WSW of Hihifo, Tonga · 14525 days ago · 121 km deep · 77 km away
- 4.9145 km WNW of Hihifo, Tonga · 14497 days ago · 288 km deep · 57 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00030k5 (also filed as gcmtb120386a, gcmt19861203081752, iscgem477845). Read Tue, Sep 22, 2026, 9:14 AM UTC.