M4.7 earthquake 163 km WNW of Hihifo, Tonga
A magnitude 4.7 earthquake struck 163 km WNW of Hihifo, Tonga on Sun, Jun 20, 1976, 11:01 PM GMT-12 (11:01 UTC), 132 km (82 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1976-06-21 11:01:49 UTC
- Depth
- 132.0 km (82.0 mi), intermediate-depth
- Epicenter
- 15.628° S, 175.283° 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
- 12
Nearby
Within 100 km, magnitude 1.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000gzu. Read Mon, Oct 5, 2026, 3:58 AM UTC.