M4.8 earthquake 105 km NNW of Nuku‘alofa, Tonga
A magnitude 4.8 earthquake struck 105 km NNW of Nuku‘alofa, Tonga on Wed, Apr 15, 1981, 1:14 AM GMT+13 (12:14 UTC), 226 km (141 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-04-14 12:14:39 UTC
- Depth
- 226.3 km (140.6 mi), intermediate-depth
- Epicenter
- 20.273° S, 175.612° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 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 usp0001d56. Read Sat, Oct 3, 2026, 2:23 PM UTC.