M4.6 earthquake 132 km E of Pangai, Tonga
A magnitude 4.6 earthquake struck 132 km E of Pangai, Tonga on Wed, Dec 13, 2017, 8:22 PM GMT+13 (07:22 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M5.3 87 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
- 2017-12-13 07:22:36 UTC
- Depth
- 26.0 km (16.2 mi), shallow
- Epicenter
- 20.038° S, 173.114° 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 13.0 km horizontally, 7.9 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 107°
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.9111 km SE of Pangai, Tonga · 3216 days ago · 10 km deep · 70 km away
- 5.387 km SSE of Pangai, Tonga · 3211 days ago · 10 km deep · 100 km away
Before
- 4.7117 km SE of Pangai, Tonga · 3218 days ago · 10 km deep · 75 km away
- 5.0111 km SE of Pangai, Tonga · 3230 days ago · 10 km deep · 92 km away
- 4.6100 km ESE of Pangai, Tonga · 3234 days ago · 10 km deep · 43 km away
- 4.7102 km ESE of Pangai, Tonga · 3235 days ago · 10 km deep · 31 km away
- 4.6137 km SE of Pangai, Tonga · 3237 days ago · 10 km deep · 82 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000btsq. Read Sun, Oct 4, 2026, 1:57 PM UTC.