M4.5 earthquake Tonga
A magnitude 4.5 earthquake struck in Tonga on Thu, Jan 11, 2018, 7:41 AM GMT+13 (18:41 UTC), 101 km (63 mi) below the surface.
A larger quake followed: M4.8 130 km W 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
- 2018-01-10 18:41:56 UTC
- Depth
- 101.0 km (62.7 mi), intermediate-depth
- Epicenter
- 19.654° S, 174.711° 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 9.4 km horizontally, 8.8 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 84°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.6118 km WNW of Pangai, Tonga · 3160 days ago · 139 km deep · 77 km away
- 4.8130 km W of Pangai, Tonga · 3128 days ago · 173 km deep · 95 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000ck4g. Read Thu, Oct 1, 2026, 7:23 AM UTC.