M4.9 earthquake 205 km NE of Neiafu, Tonga
A magnitude 4.9 earthquake struck 205 km NE of Neiafu, Tonga on Wed, Dec 10, 1986, 5:45 AM GMT-12 (17:45 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
- 1986-12-10 17:45:19 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.400° S, 172.547° 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 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 usp00030sj. Read Tue, Sep 22, 2026, 9:14 AM UTC.