M4.9 earthquake 87 km ESE of Pangai, Tonga
A magnitude 4.9 earthquake struck 87 km ESE of Pangai, Tonga on Sat, Feb 4, 1984, 12:34 PM GMT+13 (23:34 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
- 4.9 (mb), light
- Local time
- UTC
- 1984-02-03 23:34:05 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 20.228° S, 173.637° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 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 usp00021s2. Read Tue, Sep 22, 2026, 10:25 PM UTC.