M4.4 earthquake 79 km ESE of Hihifo, Tonga
A magnitude 4.4 earthquake struck 79 km ESE of Hihifo, Tonga on Wed, Jan 31, 2018, 2:09 AM GMT+14 (12:09 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 103 km NE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-30 12:09:16 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 16.254° S, 173.125° 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 10.3 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- Operator assigned
- Station coverage gap
- 235°, poorly surrounded by stations
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.1103 km NE of Hihifo, Tonga · 3157 days ago · 10 km deep · 99 km away
- 4.580 km ESE of Hihifo, Tonga · 3148 days ago · 35 km deep · 3 km away
- 5.093 km ENE of Hihifo, Tonga · 3133 days ago · 10 km deep · 77 km away
- 4.873 km NE of Hihifo, Tonga · 3129 days ago · 10 km deep · 88 km away
- 4.791 km ESE of Hihifo, Tonga · 3115 days ago · 10 km deep · 12 km away
- 4.5102 km SSE of Hihifo, Tonga · 3108 days ago · 10 km deep · 80 km away
- 4.580 km SSE of Hihifo, Tonga · 3108 days ago · 15 km deep · 56 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cznb. Read Fri, Oct 2, 2026, 11:38 AM UTC.