M4.6 earthquake 64 km SE of Pangai, Tonga
A magnitude 4.6 earthquake struck 64 km SE of Pangai, Tonga on Wed, Mar 19, 1986, 10:46 PM GMT+13 (09:46 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.6 95 km SSE 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1986-03-19 09:46:45 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 20.232° S, 173.926° 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 1.6 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.3104 km ENE of ‘Ohonua, Tonga · 14802 days ago · 33 km deep · 99 km away
- 4.573 km NE of Kolonga, Tonga · 14798 days ago · 160 km deep · 86 km away
- 5.088 km ENE of Pangai, Tonga · 14793 days ago · 40 km deep · 83 km away
- 5.695 km SSE of Pangai, Tonga · 14752 days ago · 33 km deep · 50 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002rz7. Read Fri, Oct 2, 2026, 6:38 AM UTC.