M4.4 earthquake 137 km NW of Neiafu, Tonga
A magnitude 4.4 earthquake struck 137 km NW of Neiafu, Tonga on Mon, Aug 31, 2015, 12:21 PM GMT+13 (23:21 UTC), 235 km (146 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
- 2015-08-30 23:21:33 UTC
- Depth
- 234.8 km (145.9 mi), intermediate-depth
- Epicenter
- 17.880° S, 175.008° 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 14.5 km horizontally, 9.2 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 148°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.3111 km NNW of Neiafu, Tonga · 4015 days ago · 224 km deep · 63 km away
- 4.4122 km NNW of Neiafu, Tonga · 4004 days ago · 96 km deep · 90 km away
Before
- 4.454 km NNW of Neiafu, Tonga · 4061 days ago · 125 km deep · 93 km away
- 4.4152 km W of Neiafu, Tonga · 4067 days ago · 203 km deep · 93 km away
- 4.4136 km NNW of Neiafu, Tonga · 4068 days ago · 131 km deep · 80 km away
- 5.769 km NNW of Neiafu, Tonga · 4077 days ago · 28 km deep · 94 km away
- 4.4161 km NNW of Neiafu, Tonga · 4078 days ago · 152 km deep · 70 km away
- 4.2164 km NW of Neiafu, Tonga · 4081 days ago · 228 km deep · 28 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20003isz. Read Mon, Oct 5, 2026, 12:00 PM UTC.