M4.5 earthquake 103 km N of Hihifo, Tonga
A magnitude 4.5 earthquake struck 103 km N of Hihifo, Tonga on Thu, Sep 30, 1982, 5:10 AM GMT-11 (16:10 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 66 km NE 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
- 4.5 (mb), light
- Local time
- UTC
- 1982-09-30 16:10:38 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 15.026° S, 173.666° 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 1.5 and up: 4 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.469 km NE of Hihifo, Tonga · 16056 days ago · 33 km deep · 69 km away
- 5.066 km NE of Hihifo, Tonga · 16038 days ago · 43 km deep · 63 km away
- 4.275 km NNE of Hihifo, Tonga · 16019 days ago · 33 km deep · 34 km away
- 5.175 km NE of Hihifo, Tonga · 16019 days ago · 33 km deep · 62 km away
Before
- 5.6129 km NNE of Hihifo, Tonga · 16063 days ago · 33 km deep · 56 km away
- 5.2129 km NE of Hihifo, Tonga · 16064 days ago · 63 km deep · 62 km away
- 5.0135 km SW of Gataivai, Samoa · 16066 days ago · 26 km deep · 60 km away
- 5.1141 km SW of Gataivai, Samoa · 16085 days ago · 33 km deep · 55 km away
- 5.285 km NNE of Hihifo, Tonga · 16085 days ago · 33 km deep · 28 km away
- 6.397 km NE of Hihifo, Tonga · 16090 days ago · 33 km deep · 79 km away
- 6.3105 km NE of Hihifo, Tonga · 16090 days ago · 33 km deep · 69 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001py1. Read Tue, Sep 22, 2026, 2:37 PM UTC.