Tonga earthquakes

M4.3 earthquake 265 km WNW of Haveluloto, Tonga

A magnitude 4.3 earthquake struck 265 km WNW of Haveluloto, Tonga on Tue, Oct 19, 2021, 4:29 AM GMT+13 (15:29 UTC), 511 km (317 mi) below the surface.

A larger quake followed: M4.9 269 km WNW of Haveluloto, 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
4.3 (mb), light
Local time
UTC
2021-10-18 15:29:32 UTC
Depth
510.9 km (317.4 mi), deep
Epicenter
20.602° S, 177.701° 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 12.6 km horizontally, 11.1 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
115°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.0277 km WNW of Haveluloto, Tonga · 1805 days ago · 533 km deep · 53 km away
  2. 4.0276 km WNW of Haveluloto, Tonga · 1796 days ago · 554 km deep · 76 km away
  3. 4.2253 km WNW of Haveluloto, Tonga · 1795 days ago · 505 km deep · 23 km away
  4. 4.8Fiji region · 1792 days ago · 576 km deep · 83 km away
  5. 4.1280 km WNW of Haveluloto, Tonga · 1788 days ago · 558 km deep · 90 km away
  6. 4.2Fiji region · 1787 days ago · 583 km deep · 91 km away
  7. 4.2Fiji region · 1783 days ago · 425 km deep · 70 km away
  8. 4.1285 km WNW of Haveluloto, Tonga · 1782 days ago · 532 km deep · 23 km away
  9. 4.9269 km WNW of Haveluloto, Tonga · 1781 days ago · 505 km deep · 3 km away
  10. 4.1Fiji region · 1781 days ago · 539 km deep · 84 km away
  11. 4.1Fiji region · 1780 days ago · 568 km deep · 94 km away
  12. 4.6230 km WNW of Haveluloto, Tonga · 1777 days ago · 10 km deep · 83 km away
  13. 4.4Fiji region · 1776 days ago · 480 km deep · 95 km away
  14. 4.4278 km W of Haveluloto, Tonga · 1771 days ago · 475 km deep · 50 km away
  15. 4.3Fiji region · 1770 days ago · 542 km deep · 78 km away
  16. 4.1259 km WNW of Haveluloto, Tonga · 1768 days ago · 505 km deep · 49 km away
  17. 4.1Fiji region · 1766 days ago · 570 km deep · 61 km away
  18. 4.1293 km WNW of Haveluloto, Tonga · 1765 days ago · 570 km deep · 77 km away
  19. 4.5Fiji region · 1756 days ago · 558 km deep · 82 km away
  20. 4.5286 km W of Haveluloto, Tonga · 1751 days ago · 522 km deep · 24 km away
  21. 4.4239 km WNW of Haveluloto, Tonga · 1748 days ago · 486 km deep · 36 km away

Before

  1. 4.5Fiji region · 1810 days ago · 395 km deep · 85 km away
  2. 4.3280 km WNW of Haveluloto, Tonga · 1815 days ago · 372 km deep · 76 km away
  3. 4.4Fiji region · 1826 days ago · 604 km deep · 96 km away
  4. 4.3277 km WNW of Haveluloto, Tonga · 1827 days ago · 565 km deep · 54 km away
  5. 4.2260 km WNW of Haveluloto, Tonga · 1831 days ago · 510 km deep · 35 km away
  6. 4.4258 km WNW of Haveluloto, Tonga · 1832 days ago · 527 km deep · 12 km away
  7. 4.3Fiji region · 1835 days ago · 603 km deep · 73 km away
  8. 4.2257 km WNW of Haveluloto, Tonga · 1837 days ago · 500 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fwqk. Read Tue, Sep 29, 2026, 12:49 PM UTC.