M5.0 earthquake 88 km SSW of Vaini, Tonga
A magnitude 5.0 earthquake struck 88 km SSW of Vaini, Tonga on Sat, Mar 30, 1974, 5:45 AM GMT+13 (16:45 UTC), 68 km (42 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1974-03-29 16:45:46 UTC
- Depth
- 68.0 km (42.3 mi), shallow
- Epicenter
- 21.886° S, 175.601° 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
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 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 usp00005sv. Read Fri, Oct 2, 2026, 3:00 PM UTC.