M4.6 earthquake 156 km NW of Nuku‘alofa, Tonga
A magnitude 4.6 earthquake struck 156 km NW of Nuku‘alofa, Tonga on Tue, Sep 28, 2021, 3:06 AM GMT+13 (14:06 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-09-27 14:06:54 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.093° S, 176.208° 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 10.0 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- Operator assigned
- Station coverage gap
- 123°
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.2150 km WNW of Haveluloto, Tonga · 1821 days ago · 303 km deep · 72 km away
- 4.6230 km WNW of Haveluloto, Tonga · 1779 days ago · 10 km deep · 94 km away
Before
- 5.2132 km NNW of Nuku‘alofa, Tonga · 1838 days ago · 192 km deep · 48 km away
- 5.8223 km WNW of Pangai, Tonga · 1848 days ago · 10 km deep · 97 km away · felt by 1
- 6.0185 km WNW of Pangai, Tonga · 1850 days ago · 10 km deep · 80 km away · felt by 5
- 4.1140 km NW of Nuku‘alofa, Tonga · 1850 days ago · 489 km deep · 17 km away
- 4.2133 km W of Pangai, Tonga · 1856 days ago · 240 km deep · 79 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000fqr3. Read Thu, Oct 1, 2026, 4:26 AM UTC.