M4.4 earthquake 55 km NNE of Kolonga, Tonga
A magnitude 4.4 earthquake struck 55 km NNE of Kolonga, Tonga on Sun, Sep 13, 2015, 2:33 AM GMT+13 (13:33 UTC), 146 km (91 mi) below the surface.
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
- 2015-09-12 13:33:44 UTC
- Depth
- 145.9 km (90.6 mi), intermediate-depth
- Epicenter
- 20.677° S, 174.838° 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 11.3 km horizontally, 13.2 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 92°
- Stations used
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20003npg. Read Mon, Oct 5, 2026, 2:47 AM UTC.