M5.1 earthquake 107 km ENE of Hihifo, Tonga
A magnitude 5.1 earthquake struck 107 km ENE of Hihifo, Tonga on Mon, Jun 30, 1986, 6:10 PM GMT-11 (05:10 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.9 90 km NNE 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
- 5.1 (ms), moderate
- Local time
- UTC
- 1986-07-01 05:10:15 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.636° S, 172.846° 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 2.1 and up: 6 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.8114 km E of Hihifo, Tonga · 14698 days ago · 33 km deep · 35 km away
- 4.9153 km ENE of Hihifo, Tonga · 14680 days ago · 33 km deep · 48 km away
- 5.489 km NE of Hihifo, Tonga · 14668 days ago · 33 km deep · 56 km away
- 5.589 km ESE of Hihifo, Tonga · 14644 days ago · 33 km deep · 79 km away
- 5.990 km NNE of Hihifo, Tonga · 14643 days ago · 21 km deep · 84 km away
- 5.7100 km NNE of Hihifo, Tonga · 14643 days ago · 33 km deep · 89 km away
Before
- 4.3145 km ENE of Hihifo, Tonga · 14700 days ago · 33 km deep · 40 km away
- 5.7116 km E of Hihifo, Tonga · 14700 days ago · 33 km deep · 24 km away
- 4.4100 km ENE of Hihifo, Tonga · 14700 days ago · 33 km deep · 13 km away
- 6.1150 km ENE of Hihifo, Tonga · 14700 days ago · 33 km deep · 43 km away
- 4.8108 km NNE of Hihifo, Tonga · 14707 days ago · 33 km deep · 70 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002vmb. Read Tue, Sep 29, 2026, 3:01 AM UTC.