Tonga earthquakes

M4.9 earthquake 109 km E of ‘Ohonua, Tonga

A magnitude 4.9 earthquake struck 109 km E of ‘Ohonua, Tonga on Sun, Jan 2, 2022, 12:47 PM GMT+13 (23:47 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 74 km ENE 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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-01-01 23:47:39 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
21.391° S, 173.895° 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 9.8 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
138°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 11 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.5100 km ENE of ‘Ohonua, Tonga · 1733 days ago · 10 km deep · 64 km away
  2. 4.192 km E of ‘Ohonua, Tonga · 1730 days ago · 10 km deep · 29 km away
  3. 5.095 km SSE of Pangai, Tonga · 1725 days ago · 10 km deep · 91 km away
  4. 4.9101 km SE of ‘Ohonua, Tonga · 1721 days ago · 10 km deep · 89 km away
  5. 5.574 km ENE of ‘Ohonua, Tonga · 1702 days ago · 10 km deep · 50 km away
  6. 4.782 km ENE of ‘Ohonua, Tonga · 1702 days ago · 10 km deep · 44 km away
  7. 4.683 km ENE of ‘Ohonua, Tonga · 1700 days ago · 10 km deep · 60 km away
  8. 4.477 km NE of ‘Ohonua, Tonga · 1688 days ago · 10 km deep · 67 km away
  9. 4.8142 km ENE of ‘Ohonua, Tonga · 1679 days ago · 10 km deep · 50 km away
  10. 4.8119 km ESE of ‘Ohonua, Tonga · 1677 days ago · 10 km deep · 22 km away
  11. 5.382 km E of ‘Ohonua, Tonga · 1676 days ago · 10 km deep · 28 km away

Before

  1. 5.5118 km E of ‘Ohonua, Tonga · 1739 days ago · 11 km deep · 11 km away
  2. 4.8150 km E of ‘Ohonua, Tonga · 1748 days ago · 10 km deep · 42 km away
  3. 5.167 km SE of ‘Ohonua, Tonga · 1749 days ago · 10 km deep · 80 km away
  4. 4.4112 km ESE of ‘Ohonua, Tonga · 1758 days ago · 10 km deep · 26 km away
  5. 5.3127 km ESE of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000g8e4. Read Thu, Oct 1, 2026, 8:43 PM UTC.