M4.5 earthquake 111 km SE of Pangai, Tonga
A magnitude 4.5 earthquake struck 111 km SE of Pangai, Tonga on Sun, Oct 28, 2018, 11:05 AM GMT+13 (22:05 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
- 4.5 (mb), light
- Local time
- UTC
- 2018-10-27 22:05:50 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.395° S, 173.482° 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
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 81°
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 6.179 km SSE of Pangai, Tonga · 2879 days ago · 35 km deep · 55 km away
- 4.6Tonga · 2876 days ago · 10 km deep · 42 km away
- 4.8106 km ESE of Pangai, Tonga · 2867 days ago · 10 km deep · 21 km away
- 4.980 km ESE of Pangai, Tonga · 2859 days ago · 10 km deep · 46 km away
- 5.148 km SE of Pangai, Tonga · 2847 days ago · 35 km deep · 68 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000i5hz. Read Mon, Sep 28, 2026, 8:54 AM UTC.