Tonga earthquakes

M4.2 earthquake 260 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 260 km WNW of Haveluloto, Tonga on Sat, Sep 25, 2021, 8:05 AM GMT+13 (19:05 UTC), 510 km (317 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-09-24 19:05:58 UTC
Depth
510.3 km (317.1 mi), deep
Epicenter
20.316° S, 177.555° 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 14.9 km horizontally, 8.4 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
138°
Stations used
48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.3277 km WNW of Haveluloto, Tonga · 1829 days ago · 565 km deep · 23 km away
  2. 4.3280 km WNW of Haveluloto, Tonga · 1817 days ago · 372 km deep · 43 km away
  3. 4.5Fiji region · 1812 days ago · 395 km deep · 56 km away
  4. 4.3265 km WNW of Haveluloto, Tonga · 1809 days ago · 511 km deep · 35 km away
  5. 4.2Fiji region · 1809 days ago · 437 km deep · 83 km away
  6. 4.0277 km WNW of Haveluloto, Tonga · 1807 days ago · 533 km deep · 23 km away
  7. 4.0276 km WNW of Haveluloto, Tonga · 1798 days ago · 554 km deep · 42 km away
  8. 4.2253 km WNW of Haveluloto, Tonga · 1797 days ago · 505 km deep · 16 km away
  9. 5.5Fiji region · 1797 days ago · 381 km deep · 78 km away
  10. 4.1280 km WNW of Haveluloto, Tonga · 1790 days ago · 558 km deep · 56 km away
  11. 4.2Fiji region · 1785 days ago · 425 km deep · 56 km away
  12. 4.1285 km WNW of Haveluloto, Tonga · 1784 days ago · 532 km deep · 36 km away
  13. 4.9269 km WNW of Haveluloto, Tonga · 1783 days ago · 505 km deep · 36 km away
  14. 4.6230 km WNW of Haveluloto, Tonga · 1779 days ago · 10 km deep · 52 km away
  15. 4.4Fiji region · 1778 days ago · 480 km deep · 69 km away
  16. 4.1Fiji region · 1776 days ago · 563 km deep · 79 km away
  17. 4.4278 km W of Haveluloto, Tonga · 1773 days ago · 475 km deep · 85 km away

Before

  1. 4.4258 km WNW of Haveluloto, Tonga · 1834 days ago · 527 km deep · 25 km away
  2. 4.2257 km WNW of Haveluloto, Tonga · 1839 days ago · 500 km deep · 33 km away
  3. 4.3Fiji region · 1841 days ago · 601 km deep · 97 km away
  4. 4.2Fiji region · 1843 days ago · 595 km deep · 92 km away
  5. 4.1205 km WNW of Haveluloto, Tonga · 1847 days ago · 314 km deep · 66 km away
  6. 4.3Fiji region · 1848 days ago · 577 km deep · 100 km away
  7. 4.1Fiji region · 1848 days ago · 558 km deep · 67 km away
  8. 4.1264 km WNW of Haveluloto, Tonga · 1849 days ago · 563 km deep · 38 km away
  9. 4.2279 km NW of Haveluloto, Tonga · 1853 days ago · 563 km deep · 81 km away
  10. 4.1Fiji region · 1856 days ago · 550 km deep · 54 km away
  11. 4.4Fiji region · 1861 days ago · 550 km deep · 83 km away
  12. 4.2257 km WNW of Haveluloto, Tonga · 1862 days ago · 401 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000fe6e. Read Thu, Oct 1, 2026, 1:33 PM UTC.