Tonga earthquakes

M4.4 earthquake 112 km ESE of ‘Ohonua, Tonga

A magnitude 4.4 earthquake struck 112 km ESE of ‘Ohonua, Tonga on Thu, Dec 9, 2021, 8:12 PM GMT+13 (07:12 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 118 km E of ‘Ohonua, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-12-09 07:12:22 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
21.627° S, 173.913° 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 8.0 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.22
Depth from
Operator assigned
Station coverage gap
124°
Stations used
25

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 5.167 km SE of ‘Ohonua, Tonga · 1748 days ago · 10 km deep · 66 km away
  2. 4.8150 km E of ‘Ohonua, Tonga · 1747 days ago · 10 km deep · 57 km away
  3. 5.5118 km E of ‘Ohonua, Tonga · 1739 days ago · 11 km deep · 23 km away
  4. 4.9109 km E of ‘Ohonua, Tonga · 1733 days ago · 10 km deep · 26 km away
  5. 4.5100 km ENE of ‘Ohonua, Tonga · 1732 days ago · 10 km deep · 89 km away
  6. 4.192 km E of ‘Ohonua, Tonga · 1730 days ago · 10 km deep · 51 km away
  7. 4.9101 km SE of ‘Ohonua, Tonga · 1720 days ago · 10 km deep · 67 km away
  8. 4.7Tonga region · 1703 days ago · 10 km deep · 88 km away
  9. 5.574 km ENE of ‘Ohonua, Tonga · 1702 days ago · 10 km deep · 69 km away
  10. 4.782 km ENE of ‘Ohonua, Tonga · 1702 days ago · 10 km deep · 65 km away
  11. 4.683 km ENE of ‘Ohonua, Tonga · 1700 days ago · 10 km deep · 81 km away

Before

  1. 5.3127 km ESE of ‘Ohonua, Tonga · 1761 days ago · 10 km deep · 15 km away
  2. 4.3114 km E of ‘Ohonua, Tonga · 1765 days ago · 10 km deep · 51 km away
  3. 4.981 km ENE of ‘Ohonua, Tonga · 1768 days ago · 10 km deep · 79 km away
  4. 4.4149 km SE of Pangai, Tonga · 1776 days ago · 10 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gc7d. Read Thu, Oct 1, 2026, 3:23 AM UTC.