M5.5 earthquake 67 km ESE of Pangai, Tonga
A magnitude 5.5 earthquake struck 67 km ESE of Pangai, Tonga on Tue, Nov 13, 1984, 2:08 AM GMT+13 (13:08 UTC), 92 km (57 mi) below the surface.
A larger quake followed: M5.8 61 km ENE 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
- 5.5 (mw), moderate
- Local time
- UTC
- 1984-11-12 13:08:06 UTC
- Depth
- 91.7 km (57.0 mi), intermediate-depth
- Epicenter
- 20.036° S, 173.754° 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 2.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.7151 km SE of Pangai, Tonga · 15273 days ago · 33 km deep · 95 km away
- 5.861 km ENE of Pangai, Tonga · 15247 days ago · 33 km deep · 55 km away
- 5.3127 km SE of Pangai, Tonga · 15237 days ago · 74 km deep · 75 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002907 (also filed as gcmtb111284c, gcmt19841112130758, iscgem538969). Read Tue, Sep 29, 2026, 12:44 PM UTC.