M4.4 earthquake 66 km S of Neiafu, Tonga
A magnitude 4.4 earthquake struck 66 km S of Neiafu, Tonga on Sun, Jun 6, 2021, 11:21 PM GMT+13 (10:21 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.8 47 km SE of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 2021-06-06 10:21:31 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 19.247° S, 173.874° 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, 1.8 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 172°
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.847 km SE of Neiafu, Tonga · 1920 days ago · 16 km deep · 38 km away
- 4.564 km SW of Neiafu, Tonga · 1907 days ago · 10 km deep · 66 km away
- 4.7Tonga · 1903 days ago · 10 km deep · 49 km away · felt by 1
- 4.352 km N of Pangai, Tonga · 1894 days ago · 50 km deep · 56 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ebsj. Read Wed, Sep 30, 2026, 4:48 AM UTC.