M4.5 earthquake 117 km SSW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 117 km SSW of Hihifo, Tonga on Mon, Jun 28, 1982, 9:22 PM GMT-12 (09:22 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 105 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
- 4.5 (mb), light
- Local time
- UTC
- 1982-06-29 09:22:55 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 16.955° S, 174.154° 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
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.8105 km SSW of Hihifo, Tonga · 16132 days ago · 143 km deep · 15 km away
- 4.7107 km SSW of Hihifo, Tonga · 16110 days ago · 68 km deep · 15 km away
Before
- 4.9158 km NNW of Neiafu, Tonga · 16167 days ago · 124 km deep · 50 km away
- 4.9127 km NNW of Neiafu, Tonga · 16170 days ago · 120 km deep · 67 km away
- 4.3155 km NNW of Neiafu, Tonga · 16174 days ago · 123 km deep · 53 km away
- 4.9119 km NNW of Neiafu, Tonga · 16174 days ago · 121 km deep · 79 km away
- 5.5116 km NNW of Neiafu, Tonga · 16174 days ago · 119 km deep · 85 km away
- 6.3123 km NNW of Neiafu, Tonga · 16174 days ago · 123 km deep · 79 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001n69. Read Tue, Sep 22, 2026, 7:57 AM UTC.