M4.4 earthquake 111 km SSE of Pangai, Tonga
A magnitude 4.4 earthquake struck 111 km SSE of Pangai, Tonga on Mon, Aug 27, 2018, 12:57 AM GMT+13 (11:57 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 106 km E of ‘Ohonua, 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
- 2018-08-26 11:57:56 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.667° S, 173.789° 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 14.0 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- Operator assigned
- Station coverage gap
- 111°
- 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: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5109 km SE of Pangai, Tonga · 2934 days ago · 10 km deep · 7 km away
- 5.1106 km E of ‘Ohonua, Tonga · 2932 days ago · 10 km deep · 76 km away
- 4.4101 km E of Pangai, Tonga · 2901 days ago · 10 km deep · 96 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000h888. Read Fri, Oct 2, 2026, 9:32 PM UTC.