M4.6 earthquake 153 km ESE of Neiafu, Tonga
A magnitude 4.6 earthquake struck 153 km ESE of Neiafu, Tonga on Thu, Sep 30, 2021, 12:23 AM GMT+13 (11:23 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), light
- Local time
- UTC
- 2021-09-29 11:23:12 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.017° S, 172.582° 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 10.7 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 130°
- Stations used
- 37
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.5158 km E of Neiafu, Tonga · 1808 days ago · 10 km deep · 34 km away
- 4.6161 km E of Neiafu, Tonga · 1807 days ago · 10 km deep · 17 km away
- 4.2130 km E of Neiafu, Tonga · 1807 days ago · 10 km deep · 56 km away
- 4.6127 km E of Neiafu, Tonga · 1794 days ago · 10 km deep · 29 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000fq3q. Read Wed, Sep 30, 2026, 9:38 AM UTC.