M4.4 earthquake 259 km WNW of Pangai, Tonga
A magnitude 4.4 earthquake struck 259 km WNW of Pangai, Tonga on Tue, Dec 9, 1986, 12:20 AM GMT+13 (11:20 UTC), 357 km (222 mi) below the surface.
A larger quake followed: M6.5 231 km NW of Nuku‘alofa, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1986-12-08 11:20:58 UTC
- Depth
- 357.1 km (221.9 mi), deep
- Epicenter
- 19.305° S, 176.769° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.8196 km W of Pangai, Tonga · 14514 days ago · 33 km deep · 66 km away
- 4.6197 km NW of Haveluloto, Tonga · 14514 days ago · 297 km deep · 77 km away
- 6.5231 km NW of Nuku‘alofa, Tonga · 14512 days ago · 33 km deep · 30 km away
- 4.8225 km NW of Nuku‘alofa, Tonga · 14512 days ago · 33 km deep · 36 km away
- 5.2218 km W of Pangai, Tonga · 14512 days ago · 33 km deep · 43 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00030qn. Read Sat, Oct 3, 2026, 6:51 PM UTC.