M4.4 earthquake 155 km NE of Neiafu, Tonga
A magnitude 4.4 earthquake struck 155 km NE of Neiafu, Tonga on Sun, Nov 21, 2021, 10:06 PM GMT-12 (10:06 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.6 114 km NE 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
- 2021-11-22 10:06:55 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 17.797° S, 172.817° 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 11.7 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- Operator assigned
- Station coverage gap
- 139°
- Stations used
- 18
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.6114 km NE of Neiafu, Tonga · 1764 days ago · 10 km deep · 50 km away
- 4.379 km NNE of Neiafu, Tonga · 1758 days ago · 35 km deep · 86 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000fx96. Read Wed, Sep 30, 2026, 6:58 AM UTC.