M4.8 earthquake 119 km SSE of Pangai, Tonga
A magnitude 4.8 earthquake struck 119 km SSE of Pangai, Tonga on Thu, Sep 29, 2016, 5:31 AM GMT+13 (16:31 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.8 Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-09-28 16:31:28 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.744° S, 173.764° 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.
- Location uncertainty
- About 7.1 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 80°
- Stations used
- 42
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.7100 km SE of Pangai, Tonga · 3612 days ago · 10 km deep · 24 km away
- 5.8Tonga · 3610 days ago · 20 km deep · 96 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006tk0. Read Mon, Oct 5, 2026, 6:39 AM UTC.