M5.0 earthquake 158 km E of Neiafu, Tonga
A magnitude 5.0 earthquake struck 158 km E of Neiafu, Tonga on Fri, Feb 25, 1983, 7:01 PM GMT-11 (06:01 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
- 1983-02-26 06:01:17 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 18.459° S, 172.494° 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
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 usp0001tb6. Read Tue, Sep 22, 2026, 9:30 PM UTC.