M4.2 earthquake 124 km NE of Hihifo, Tonga
A magnitude 4.2 earthquake struck 124 km NE of Hihifo, Tonga on Fri, Dec 26, 1975, 11:18 AM GMT-11 (22:18 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 103 km E 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
- 4.2 (mb), light
- Local time
- UTC
- 1975-12-26 22:18:26 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.130° S, 173.010° 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
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.0103 km E of Hihifo, Tonga · 18532 days ago · 33 km deep · 92 km away
- 4.9117 km E of Hihifo, Tonga · 18529 days ago · 35 km deep · 97 km away
- 5.2137 km ENE of Hihifo, Tonga · 18529 days ago · 69 km deep · 79 km away
- 4.5171 km SSW of Lotofag?, Samoa · 18529 days ago · 33 km deep · 88 km away
- 5.786 km NNE of Hihifo, Tonga · 18514 days ago · 33 km deep · 55 km away
- 5.0135 km NE of Hihifo, Tonga · 18512 days ago · 33 km deep · 17 km away
- 5.9148 km SSW of Lotofag?, Samoa · 18485 days ago · 33 km deep · 81 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000e36. Read Tue, Sep 22, 2026, 7:25 AM UTC.