M4.4 earthquake 101 km E of Pangai, Tonga
A magnitude 4.4 earthquake struck 101 km E of Pangai, Tonga on Wed, Oct 24, 2018, 2:38 AM GMT+13 (13:38 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M6.1 79 km SSE 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
- 4.4 (mb), light
- Local time
- UTC
- 2018-10-23 13:38:26 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.895° S, 173.385° 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 7.6 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- Operator assigned
- Station coverage gap
- 104°
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.5111 km SE of Pangai, Tonga · 2893 days ago · 10 km deep · 56 km away
- 6.179 km SSE of Pangai, Tonga · 2880 days ago · 35 km deep · 90 km away
- 4.6Tonga · 2876 days ago · 10 km deep · 65 km away
- 4.3165 km SE of Neiafu, Tonga · 2872 days ago · 10 km deep · 80 km away
- 4.8106 km ESE of Pangai, Tonga · 2868 days ago · 10 km deep · 35 km away
- 4.980 km ESE of Pangai, Tonga · 2860 days ago · 10 km deep · 26 km away
- 5.0138 km ESE of Neiafu, Tonga · 2858 days ago · 10 km deep · 99 km away
- 5.148 km SE of Pangai, Tonga · 2848 days ago · 35 km deep · 80 km away
- 4.5122 km ESE of Neiafu, Tonga · 2845 days ago · 10 km deep · 98 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hh43. Read Tue, Sep 29, 2026, 1:54 AM UTC.