M5.1 earthquake 80 km NW of Hihifo, Tonga
A magnitude 5.1 earthquake struck 80 km NW of Hihifo, Tonga on Fri, Jun 17, 1977, 12:50 PM GMT-11 (23:50 UTC), 55 km (34 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1977-06-17 23:50:06 UTC
- Depth
- 55.0 km (34.2 mi), shallow
- Epicenter
- 15.524° S, 174.406° 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.
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000pbm. Read Tue, Sep 22, 2026, 8:52 AM UTC.