M4.2 earthquake 114 km SE of Pangai, Tonga
A magnitude 4.2 earthquake struck 114 km SE of Pangai, Tonga on Thu, Dec 15, 1977, 11:44 PM GMT+13 (10:44 UTC), 135 km (84 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1977-12-15 10:44:20 UTC
- Depth
- 135.0 km (83.9 mi), intermediate-depth
- Epicenter
- 20.656° S, 173.719° 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
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 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 usp0000s30. Read Sat, Oct 3, 2026, 6:47 AM UTC.