Tonga earthquakes

M4.4 earthquake 291 km NW of Nuku‘alofa, Tonga

A magnitude 4.4 earthquake struck 291 km NW of Nuku‘alofa, Tonga on Mon, Sep 27, 2021, 3:05 AM GMT+13 (14:05 UTC), 574 km (356 mi) below the surface.

A larger quake followed: M5.5 Fiji region. 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), light
Local time
UTC
2021-09-26 14:05:38 UTC
Depth
573.5 km (356.4 mi), deep
Epicenter
19.341° S, 177.240° 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 9.4 km horizontally, 7.3 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
74°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.3277 km WNW of Haveluloto, Tonga · 1829 days ago · 565 km deep · 97 km away
  2. 4.1Fiji region · 1825 days ago · 467 km deep · 66 km away
  3. 4.3280 km WNW of Haveluloto, Tonga · 1817 days ago · 372 km deep · 74 km away
  4. 4.1Fiji region · 1814 days ago · 619 km deep · 82 km away
  5. 4.5Fiji region · 1811 days ago · 395 km deep · 75 km away
  6. 4.0277 km WNW of Haveluloto, Tonga · 1807 days ago · 533 km deep · 97 km away
  7. 4.4Fiji region · 1805 days ago · 570 km deep · 77 km away
  8. 4.5Fiji region · 1804 days ago · 655 km deep · 89 km away
  9. 4.0276 km WNW of Haveluloto, Tonga · 1798 days ago · 554 km deep · 73 km away
  10. 5.5Fiji region · 1797 days ago · 381 km deep · 53 km away
  11. 4.1280 km WNW of Haveluloto, Tonga · 1790 days ago · 558 km deep · 60 km away
  12. 4.0Fiji region · 1789 days ago · 568 km deep · 13 km away
  13. 4.1Fiji region · 1781 days ago · 559 km deep · 25 km away
  14. 4.6230 km WNW of Haveluloto, Tonga · 1779 days ago · 10 km deep · 85 km away
  15. 4.4Fiji region · 1777 days ago · 480 km deep · 78 km away
  16. 4.1Fiji region · 1776 days ago · 563 km deep · 61 km away

Before

  1. 4.2257 km WNW of Haveluloto, Tonga · 1838 days ago · 500 km deep · 82 km away
  2. 4.2Fiji region · 1842 days ago · 595 km deep · 74 km away
  3. 5.8223 km WNW of Pangai, Tonga · 1848 days ago · 10 km deep · 89 km away · felt by 1
  4. 4.1264 km WNW of Haveluloto, Tonga · 1849 days ago · 563 km deep · 76 km away
  5. 4.2279 km NW of Haveluloto, Tonga · 1852 days ago · 563 km deep · 32 km away
  6. 4.3Fiji region · 1855 days ago · 349 km deep · 81 km away
  7. 4.0299 km WNW of Pangai, Tonga · 1856 days ago · 424 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fqhi. Read Thu, Oct 1, 2026, 12:21 AM UTC.