Tonga earthquakes

M4.5 earthquake 103 km NNW of Neiafu, Tonga

A magnitude 4.5 earthquake struck 103 km NNW of Neiafu, Tonga on Sun, Dec 5, 2021, 10:52 AM GMT+13 (21:52 UTC), 80 km (49 mi) below the surface.

A larger quake followed: M4.8 92 km NE of Neiafu, 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
4.5 (mb), light
Local time
UTC
2021-12-04 21:52:57 UTC
Depth
79.5 km (49.4 mi), intermediate-depth
Epicenter
17.780° S, 174.346° 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 8.7 km horizontally, 9.8 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
138°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.379 km NNE of Neiafu, Tonga · 1758 days ago · 35 km deep · 85 km away
  2. 4.6120 km SSW of Hihifo, Tonga · 1752 days ago · 89 km deep · 90 km away
  3. 4.558 km N of Neiafu, Tonga · 1743 days ago · 10 km deep · 51 km away
  4. 4.396 km NW of Neiafu, Tonga · 1736 days ago · 165 km deep · 53 km away
  5. 4.6126 km SSW of Hihifo, Tonga · 1733 days ago · 61 km deep · 85 km away
  6. 4.668 km NNW of Neiafu, Tonga · 1732 days ago · 85 km deep · 35 km away
  7. 4.270 km NNW of Neiafu, Tonga · 1729 days ago · 138 km deep · 36 km away
  8. 4.3120 km SSW of Hihifo, Tonga · 1727 days ago · 124 km deep · 90 km away
  9. 4.4156 km NW of Neiafu, Tonga · 1724 days ago · 236 km deep · 83 km away
  10. 4.643 km NE of Neiafu, Tonga · 1723 days ago · 35 km deep · 90 km away
  11. 4.6137 km N of Neiafu, Tonga · 1718 days ago · 109 km deep · 47 km away · felt by 1
  12. 4.6151 km SSW of Hihifo, Tonga · 1715 days ago · 69 km deep · 60 km away
  13. 4.892 km NE of Neiafu, Tonga · 1712 days ago · 35 km deep · 95 km away
  14. 4.2101 km NNW of Neiafu, Tonga · 1711 days ago · 164 km deep · 15 km away
  15. 4.7122 km S of Hihifo, Tonga · 1701 days ago · 87 km deep · 90 km away

Before

  1. 4.4137 km N of Neiafu, Tonga · 1780 days ago · 76 km deep · 59 km away
  2. 4.6138 km NW of Neiafu, Tonga · 1780 days ago · 227 km deep · 54 km away
  3. 4.285 km NNW of Neiafu, Tonga · 1787 days ago · 67 km deep · 19 km away
  4. 4.4131 km SSW of Hihifo, Tonga · 1789 days ago · 219 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gakf. Read Wed, Sep 30, 2026, 6:15 AM UTC.