M4.4 earthquake 139 km NW of Hihifo, Tonga
A magnitude 4.4 earthquake struck 139 km NW of Hihifo, Tonga on Wed, Jul 4, 2018, 4:39 PM GMT+13 (03:39 UTC), 167 km (104 mi) below the surface.
A larger quake followed: M4.6 94 km NW 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
- 2018-07-04 03:39:29 UTC
- Depth
- 166.6 km (103.5 mi), intermediate-depth
- Epicenter
- 15.087° S, 174.744° 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 7.3 km horizontally, 9.4 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 116°
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.1191 km SSE of Mata-Utu, Wallis and Futuna · 2976 days ago · 304 km deep · 79 km away
- 4.393 km N of Hihifo, Tonga · 2976 days ago · 35 km deep · 85 km away
- 4.2107 km WNW of Hihifo, Tonga · 2976 days ago · 260 km deep · 71 km away
- 4.2119 km WNW of Hihifo, Tonga · 2974 days ago · 278 km deep · 64 km away
- 4.694 km NW of Hihifo, Tonga · 2956 days ago · 225 km deep · 47 km away
- 4.1101 km WNW of Hihifo, Tonga · 2954 days ago · 279 km deep · 62 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000g1d1. Read Sat, Oct 3, 2026, 2:03 PM UTC.