M5.1 earthquake 78 km E of Hihifo, Tonga
A magnitude 5.1 earthquake struck 78 km E of Hihifo, Tonga on Mon, May 26, 1986, 11:01 PM GMT-11 (10:01 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 18 km SSW 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 (mb), moderate
- Local time
- UTC
- 1986-05-27 10:01:14 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.964° S, 173.065° 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: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.8108 km NNE of Hihifo, Tonga · 14700 days ago · 33 km deep · 94 km away
- 5.218 km SSW of Hihifo, Tonga · 14694 days ago · 33 km deep · 89 km away
- 6.1150 km ENE of Hihifo, Tonga · 14693 days ago · 33 km deep · 79 km away
- 4.4100 km ENE of Hihifo, Tonga · 14693 days ago · 33 km deep · 45 km away
- 5.7116 km E of Hihifo, Tonga · 14693 days ago · 33 km deep · 41 km away
- 4.3145 km ENE of Hihifo, Tonga · 14693 days ago · 33 km deep · 73 km away
- 5.1107 km ENE of Hihifo, Tonga · 14693 days ago · 33 km deep · 43 km away
- 4.8114 km E of Hihifo, Tonga · 14691 days ago · 33 km deep · 36 km away
- 4.9153 km ENE of Hihifo, Tonga · 14673 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 usp0002ugb. Read Tue, Sep 22, 2026, 5:46 AM UTC.