M4.5 earthquake 122 km W of Pangai, Tonga
A magnitude 4.5 earthquake struck 122 km W of Pangai, Tonga on Tue, Dec 26, 2017, 2:53 PM GMT+13 (01:53 UTC), 203 km (126 mi) below the surface.
A larger quake followed: M4.6 118 km WNW 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-12-26 01:53:58 UTC
- Depth
- 202.7 km (126.0 mi), intermediate-depth
- Epicenter
- 19.889° S, 175.519° 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 9.3 km horizontally, 8.2 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 90°
- Stations used
- 50
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5149 km W of Pangai, Tonga · 3195 days ago · 201 km deep · 31 km away
- 4.5151 km NW of Nuku‘alofa, Tonga · 3195 days ago · 214 km deep · 66 km away
- 4.5Tonga · 3186 days ago · 101 km deep · 89 km away
- 4.4164 km NNW of Nuku‘alofa, Tonga · 3163 days ago · 198 km deep · 44 km away
- 4.6118 km WNW of Pangai, Tonga · 3160 days ago · 139 km deep · 58 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bw7i. Read Thu, Oct 1, 2026, 12:53 PM UTC.