M5.0 earthquake 116 km WNW of Neiafu, Tonga
A magnitude 5.0 earthquake struck 116 km WNW of Neiafu, Tonga on Thu, May 17, 1973, 2:44 PM GMT+13 (01:44 UTC), 215 km (134 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), moderate
- Local time
- UTC
- 1973-05-17 01:44:28 UTC
- Depth
- 215.0 km (133.6 mi), intermediate-depth
- Epicenter
- 18.150° S, 174.954° 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
- 35
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 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 usp00001uq. Read Tue, Sep 22, 2026, 10:25 AM UTC.