M4.4 earthquake 101 km WSW of Neiafu, Tonga
A magnitude 4.4 earthquake struck 101 km WSW of Neiafu, Tonga on Thu, Jul 26, 2018, 5:18 PM GMT+13 (04:18 UTC), 107 km (66 mi) below the surface.
A larger quake followed: M4.9 102 km W of Neiafu, 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
- 2018-07-26 04:18:43 UTC
- Depth
- 106.8 km (66.4 mi), intermediate-depth
- Epicenter
- 18.895° S, 174.915° 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 16.9 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 109°
- Stations used
- 15
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 2 in the 30 days before it.
After
- 4.694 km WNW of Neiafu, Tonga · 2983 days ago · 83 km deep · 51 km away
- 4.682 km NW of Neiafu, Tonga · 2978 days ago · 166 km deep · 90 km away
- 4.5161 km W of Neiafu, Tonga · 2978 days ago · 273 km deep · 63 km away
- 4.9102 km W of Neiafu, Tonga · 2975 days ago · 134 km deep · 17 km away · felt by 1
- 4.669 km WSW of Neiafu, Tonga · 2958 days ago · 109 km deep · 33 km away
- 4.4100 km WNW of Pangai, Tonga · 2944 days ago · 207 km deep · 79 km away
- 4.1154 km W of Neiafu, Tonga · 2938 days ago · 149 km deep · 58 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000gi9x. Read Fri, Oct 2, 2026, 11:32 AM UTC.