M5.0 earthquake 55 km E of Pangai, Tonga
A magnitude 5.0 earthquake struck 55 km E of Pangai, Tonga on Tue, May 1, 1973, 10:53 PM GMT+13 (09:53 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
- 5.0 (mb), moderate
- Local time
- UTC
- 1973-05-01 09:53:31 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 19.806° S, 173.828° 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
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001nv. Read Tue, Sep 22, 2026, 7:43 AM UTC.