M4.4 earthquake 119 km SSW of Hihifo, Tonga
A magnitude 4.4 earthquake struck 119 km SSW of Hihifo, Tonga on Fri, Dec 1, 2017, 5:01 AM GMT-12 (17:01 UTC), 106 km (66 mi) below the surface.
A larger quake followed: M5.7 21 km SW 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
- 2017-12-01 17:01:58 UTC
- Depth
- 105.8 km (65.8 mi), intermediate-depth
- Epicenter
- 16.983° S, 174.149° 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 9.9 km horizontally, 15.8 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
- Station coverage gap
- 83°
- Stations used
- 13
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.3116 km SSW of Hihifo, Tonga · 3219 days ago · 110 km deep · 11 km away
- 5.721 km SW of Hihifo, Tonga · 3219 days ago · 155 km deep · 100 km away · felt by 1
- 4.6129 km S of Hihifo, Tonga · 3213 days ago · 90 km deep · 25 km away
- 4.648 km SSE of Hihifo, Tonga · 3212 days ago · 10 km deep · 87 km away
- 4.4138 km NNE of Neiafu, Tonga · 3209 days ago · 10 km deep · 82 km away
- 4.2150 km SSW of Hihifo, Tonga · 3206 days ago · 131 km deep · 34 km away
- 4.973 km SW of Hihifo, Tonga · 3184 days ago · 147 km deep · 64 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000c20w. Read Fri, Oct 2, 2026, 12:18 AM UTC.