M4.8 earthquake 138 km NNW of Neiafu, Tonga
A magnitude 4.8 earthquake struck 138 km NNW of Neiafu, Tonga on Thu, Apr 4, 1974, 11:42 PM GMT-12 (11:42 UTC), 79 km (49 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
- 1974-04-05 11:42:48 UTC
- Depth
- 79.0 km (49.1 mi), intermediate-depth
- Epicenter
- 17.433° S, 174.265° 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
- 21
Nearby
Within 100 km, magnitude 1.8 and up: 0 in the 60 days after this one and 2 in the 30 days before it.
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00005vm. Read Thu, Oct 1, 2026, 9:43 PM UTC.