Tonga earthquakes

M4.9 earthquake 211 km S of ‘Ohonua, Tonga

A magnitude 4.9 earthquake struck 211 km S of ‘Ohonua, Tonga on Sun, Dec 26, 2021, 10:00 AM GMT+13 (21:00 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.2 266 km SSW 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), light
Local time
UTC
2021-12-25 21:00:19 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
23.218° S, 175.259° 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 15.0 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
130°
Stations used
32

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 11 in the 30 days before it.

After

  1. 5.0150 km S of ‘Ohonua, Tonga · 1724 days ago · 10 km deep · 68 km away
  2. 4.9208 km S of ‘Ohonua, Tonga · 1700 days ago · 10 km deep · 21 km away
  3. 5.0284 km SSW of ‘Ohonua, Tonga · 1695 days ago · 10 km deep · 79 km away
  4. 5.2266 km SSW of ‘Ohonua, Tonga · 1695 days ago · 10 km deep · 61 km away
  5. 5.0282 km SSW of ‘Ohonua, Tonga · 1694 days ago · 10 km deep · 83 km away
  6. 4.2241 km SSW of ‘Ohonua, Tonga · 1694 days ago · 10 km deep · 49 km away
  7. 4.9264 km S of ‘Ohonua, Tonga · 1691 days ago · 10 km deep · 56 km away
  8. 4.9251 km SSW of ‘Ohonua, Tonga · 1691 days ago · 10 km deep · 58 km away
  9. 4.9Tonga region · 1686 days ago · 10 km deep · 96 km away
  10. 5.2261 km SSW of ‘Ohonua, Tonga · 1684 days ago · 10 km deep · 69 km away
  11. 4.5south of Tonga · 1680 days ago · 10 km deep · 97 km away

Before

  1. 4.4264 km S of ‘Ohonua, Tonga · 1741 days ago · 10 km deep · 54 km away
  2. 4.6260 km SSW of ‘Ohonua, Tonga · 1743 days ago · 35 km deep · 60 km away
  3. 5.1256 km S of ‘Ohonua, Tonga · 1756 days ago · 10 km deep · 46 km away
  4. 4.6282 km S of ‘Ohonua, Tonga · 1759 days ago · 10 km deep · 74 km away
  5. 4.3204 km SSW of ‘Ohonua, Tonga · 1760 days ago · 68 km deep · 80 km away
  6. 4.7274 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 88 km away
  7. 4.4274 km SSW of ‘Ohonua, Tonga · 1762 days ago · 47 km deep · 89 km away
  8. 4.9220 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 13 km away
  9. 4.6229 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 56 km away
  10. 5.5226 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 32 km away
  11. 4.9229 km SSW of ‘Ohonua, Tonga · 1768 days ago · 35 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000g9lf. Read Wed, Sep 30, 2026, 9:50 AM UTC.