M4.5 earthquake 149 km W of Pangai, Tonga
A magnitude 4.5 earthquake struck 149 km W of Pangai, Tonga on Tue, Jan 2, 2018, 5:25 AM GMT+13 (16:25 UTC), 201 km (125 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
- 2018-01-01 16:25:46 UTC
- Depth
- 201.4 km (125.1 mi), intermediate-depth
- Epicenter
- 19.771° S, 175.783° 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 14.9 km horizontally, 8.3 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 96°
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.5151 km NW of Nuku‘alofa, Tonga · 3194 days ago · 214 km deep · 49 km away
- 4.4164 km NNW of Nuku‘alofa, Tonga · 3162 days ago · 198 km deep · 17 km away
- 4.6118 km WNW of Pangai, Tonga · 3160 days ago · 139 km deep · 60 km away
- 4.3155 km NW of Pangai, Tonga · 3135 days ago · 283 km deep · 93 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000byta. Read Thu, Oct 1, 2026, 7:24 AM UTC.