M5.1 earthquake 142 km NE of Neiafu, Tonga
A magnitude 5.1 earthquake struck 142 km NE of Neiafu, Tonga on Wed, Apr 4, 1979, 1:14 AM GMT-12 (13:14 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
- 5.1 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1979-04-04 13:14:28 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.591° S, 173.226° 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
- 34
Nearby
Within 100 km, magnitude 2.1 and up: 1 in the 60 days after this one and 3 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 usp0000zub. Read Mon, Oct 5, 2026, 9:24 AM UTC.