M4.8 earthquake 298 km SSW of ‘Ohonua, Tonga
A magnitude 4.8 earthquake struck 298 km SSW of ‘Ohonua, Tonga on Wed, Dec 5, 1984, 5:35 AM GMT+13 (16:35 UTC), 71 km (44 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1984-12-04 16:35:04 UTC
- Depth
- 70.6 km (43.9 mi), intermediate-depth
- Epicenter
- 23.673° S, 176.391° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 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 usp00029sh. Read Tue, Sep 22, 2026, 9:39 AM UTC.