M5.0 earthquake 154 km SSE of ‘Ohonua, Tonga
A magnitude 5.0 earthquake struck 154 km SSE of ‘Ohonua, Tonga on Wed, Jan 28, 1981, 4:55 PM GMT+13 (03:55 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
- 1981-01-28 03:55:04 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 22.552° S, 174.227° 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
- 13
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 usp0001bxc. Read Thu, Sep 24, 2026, 6:19 AM UTC.