M5.0 earthquake 81 km SE of Pangai, Tonga
A magnitude 5.0 earthquake struck 81 km SE of Pangai, Tonga on Wed, Feb 12, 1986, 2:00 AM GMT+13 (13:00 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.3 110 km SE of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (ms), moderate
- Local time
- UTC
- 1986-02-11 13:00:26 UTC
- Depth
- 35.4 km (22.0 mi), shallow
- Epicenter
- 20.315° S, 173.789° 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 2.0 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.3110 km SE of Pangai, Tonga · 14828 days ago · 33 km deep · 29 km away
- 4.713 km NNW of Pangai, Tonga · 14798 days ago · 33 km deep · 94 km away
- 4.664 km SE of Pangai, Tonga · 14797 days ago · 33 km deep · 17 km away
- 4.3104 km ENE of ‘Ohonua, Tonga · 14793 days ago · 33 km deep · 92 km away
- 4.573 km NE of Kolonga, Tonga · 14789 days ago · 160 km deep · 96 km away
- 5.088 km ENE of Pangai, Tonga · 14783 days ago · 40 km deep · 86 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002qx6. Read Tue, Sep 22, 2026, 8:44 PM UTC.