M4.7 earthquake 181 km ESE of Hihifo, Tonga
A magnitude 4.7 earthquake struck 181 km ESE of Hihifo, Tonga on Wed, Feb 4, 1976, 2:16 PM GMT-11 (01:16 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 227 km ESE 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
- 4.7 (mb), light
- Local time
- UTC
- 1976-02-05 01:16:17 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 16.584° S, 172.226° 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
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 8 in the 30 days before it.
After
- 4.7155 km ESE of Hihifo, Tonga · 18468 days ago · 33 km deep · 31 km away
- 4.2186 km ESE of Hihifo, Tonga · 18457 days ago · 33 km deep · 20 km away
- 4.9227 km ESE of Hihifo, Tonga · 18456 days ago · 33 km deep · 55 km away
Before
- 5.0215 km ESE of Hihifo, Tonga · 18492 days ago · 33 km deep · 41 km away
- 5.3135 km ESE of Hihifo, Tonga · 18493 days ago · 33 km deep · 47 km away
- 5.2166 km SE of Hihifo, Tonga · 18493 days ago · 33 km deep · 45 km away
- 4.4168 km ESE of Hihifo, Tonga · 18495 days ago · 104 km deep · 36 km away
- 4.9184 km ESE of Hihifo, Tonga · 18501 days ago · 44 km deep · 10 km away
- 5.5138 km E of Hihifo, Tonga · 18501 days ago · 36 km deep · 77 km away
- 5.3157 km SE of Hihifo, Tonga · 18509 days ago · 33 km deep · 48 km away
- 5.3175 km ESE of Hihifo, Tonga · 18512 days ago · 33 km deep · 19 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000exq. Read Tue, Sep 22, 2026, 8:05 AM UTC.