Tonga earthquakes

M4.5 earthquake 274 km W of Haveluloto, Tonga

A magnitude 4.5 earthquake struck 274 km W of Haveluloto, Tonga on Thu, Jan 21, 2016, 6:42 AM GMT+13 (17:42 UTC), 473 km (294 mi) below the surface.

A larger quake followed: M5.2 253 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-01-20 17:42:37 UTC
Depth
472.9 km (293.9 mi), deep
Epicenter
20.798° S, 177.826° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 15.7 km horizontally, 7.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
146°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.3Fiji region · 3904 days ago · 582 km deep · 78 km away
  2. 4.4268 km WNW of Haveluloto, Tonga · 3903 days ago · 550 km deep · 77 km away
  3. 5.2253 km WNW of Haveluloto, Tonga · 3903 days ago · 504 km deep · 46 km away
  4. 4.2291 km WNW of Haveluloto, Tonga · 3902 days ago · 494 km deep · 60 km away
  5. 4.3Fiji region · 3895 days ago · 598 km deep · 75 km away
  6. 4.2Fiji region · 3895 days ago · 598 km deep · 88 km away
  7. 4.1Fiji region · 3891 days ago · 605 km deep · 99 km away
  8. 4.4Fiji region · 3890 days ago · 498 km deep · 54 km away
  9. 4.1Fiji region · 3890 days ago · 535 km deep · 61 km away
  10. 4.6Fiji region · 3885 days ago · 587 km deep · 85 km away
  11. 4.3289 km WNW of Haveluloto, Tonga · 3885 days ago · 528 km deep · 22 km away
  12. 4.3281 km W of Haveluloto, Tonga · 3885 days ago · 403 km deep · 58 km away
  13. 4.6299 km W of Haveluloto, Tonga · 3880 days ago · 458 km deep · 68 km away
  14. 4.6Fiji region · 3875 days ago · 533 km deep · 65 km away
  15. 4.2Fiji region · 3875 days ago · 528 km deep · 55 km away
  16. 4.1Fiji region · 3872 days ago · 557 km deep · 61 km away
  17. 4.3Fiji region · 3872 days ago · 538 km deep · 77 km away
  18. 3.9279 km WNW of Haveluloto, Tonga · 3870 days ago · 518 km deep · 72 km away
  19. 4.5Fiji region · 3865 days ago · 586 km deep · 64 km away
  20. 4.0233 km WNW of Haveluloto, Tonga · 3865 days ago · 524 km deep · 70 km away
  21. 4.2Fiji region · 3864 days ago · 586 km deep · 53 km away
  22. 4.1Fiji region · 3864 days ago · 595 km deep · 86 km away
  23. 4.3296 km WNW of Haveluloto, Tonga · 3862 days ago · 507 km deep · 64 km away
  24. 4.2Fiji region · 3855 days ago · 543 km deep · 42 km away
  25. 4.3Fiji region · 3854 days ago · 611 km deep · 84 km away
  26. 4.3278 km WNW of Haveluloto, Tonga · 3853 days ago · 491 km deep · 72 km away
  27. 4.3251 km W of Haveluloto, Tonga · 3849 days ago · 394 km deep · 77 km away

Before

  1. 4.1Fiji region · 3909 days ago · 534 km deep · 30 km away
  2. 4.2Fiji region · 3911 days ago · 512 km deep · 67 km away
  3. 4.0Fiji region · 3911 days ago · 555 km deep · 67 km away
  4. 4.1Fiji region · 3915 days ago · 569 km deep · 47 km away
  5. 4.6Fiji region · 3917 days ago · 560 km deep · 65 km away
  6. 4.9Fiji region · 3918 days ago · 575 km deep · 62 km away
  7. 4.0Fiji region · 3925 days ago · 607 km deep · 90 km away
  8. 4.9Fiji region · 3932 days ago · 555 km deep · 92 km away
  9. 4.5Fiji region · 3933 days ago · 493 km deep · 53 km away
  10. 4.6292 km WNW of Haveluloto, Tonga · 3934 days ago · 519 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10004fvk. Read Fri, Oct 2, 2026, 6:19 PM UTC.