M4.8 earthquake 121 km ESE of Pangai, Tonga
A magnitude 4.8 earthquake struck 121 km ESE of Pangai, Tonga on Sun, Jan 15, 2017, 11:00 AM GMT+13 (22:00 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 155 km E 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
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-01-14 22:00:08 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.060° S, 173.219° 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 11.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 83°
- Stations used
- 44
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 1 in the 60 days after this one and 3 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007tba. Read Sun, Oct 4, 2026, 9:24 PM UTC.