M7.0 earthquake 206 km SE of Hihifo, Tonga
A magnitude 7.0 earthquake struck 206 km SE of Hihifo, Tonga on Sat, Jun 17, 1978, 4:11 AM GMT-11 (15:11 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.0 (ms), major
- Local time
- UTC
- 1978-06-17 15:11:33 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.098° S, 172.264° 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
- 180
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.0241 km ENE of Neiafu, Tonga · 17626 days ago · 33 km deep · 56 km away
- 5.4184 km SE of Hihifo, Tonga · 17619 days ago · 33 km deep · 29 km away
- 5.1206 km NE of Neiafu, Tonga · 17613 days ago · 33 km deep · 46 km away
- 5.0173 km SE of Hihifo, Tonga · 17612 days ago · 29 km deep · 34 km away
- 4.9204 km SE of Hihifo, Tonga · 17609 days ago · 41 km deep · 34 km away
- 5.4144 km SE of Hihifo, Tonga · 17608 days ago · 33 km deep · 62 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000v3r (also filed as gcmtd061778b, gcmt19780617151133, iscgem681006). Read Tue, Sep 22, 2026, 7:00 AM UTC.