Tonga earthquakes

M4.0 earthquake 278 km W of Haveluloto, Tonga

A magnitude 4.0 earthquake struck 278 km W of Haveluloto, Tonga on Sun, Dec 27, 2020, 10:57 AM GMT+13 (21:57 UTC), 471 km (292 mi) below the surface.

A larger quake followed: M5.0 236 km W 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
4.0 (mb), light
Local time
UTC
2020-12-26 21:57:27 UTC
Depth
470.6 km (292.4 mi), deep
Epicenter
20.758° S, 177.859° 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 13.8 km horizontally, 10.8 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
121°
Stations used
15

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 18 in the 30 days before it.

After

  1. 4.4Fiji region · 2101 days ago · 488 km deep · 43 km away
  2. 4.2274 km WNW of Haveluloto, Tonga · 2100 days ago · 498 km deep · 59 km away
  3. 4.3278 km WNW of Haveluloto, Tonga · 2099 days ago · 515 km deep · 51 km away
  4. 4.3Fiji region · 2098 days ago · 542 km deep · 68 km away
  5. 4.2Fiji region · 2095 days ago · 564 km deep · 95 km away
  6. 4.2Fiji region · 2092 days ago · 582 km deep · 48 km away
  7. 4.4266 km WNW of Haveluloto, Tonga · 2090 days ago · 539 km deep · 90 km away
  8. 4.8270 km WNW of Haveluloto, Tonga · 2089 days ago · 471 km deep · 41 km away
  9. 4.3271 km WNW of Haveluloto, Tonga · 2088 days ago · 536 km deep · 64 km away
  10. 4.5Fiji region · 2087 days ago · 565 km deep · 58 km away
  11. 4.3Fiji region · 2087 days ago · 578 km deep · 32 km away
  12. 4.0Fiji region · 2086 days ago · 589 km deep · 86 km away
  13. 4.3Fiji region · 2085 days ago · 558 km deep · 68 km away
  14. 4.7Fiji region · 2080 days ago · 554 km deep · 85 km away
  15. 4.3291 km WNW of Haveluloto, Tonga · 2077 days ago · 526 km deep · 66 km away
  16. 4.4264 km WNW of Haveluloto, Tonga · 2074 days ago · 521 km deep · 43 km away
  17. 4.6Fiji region · 2073 days ago · 574 km deep · 93 km away
  18. 4.8Fiji region · 2073 days ago · 560 km deep · 66 km away
  19. 4.8289 km WNW of Haveluloto, Tonga · 2066 days ago · 530 km deep · 45 km away
  20. 4.2Fiji region · 2064 days ago · 408 km deep · 40 km away
  21. 4.5274 km W of Haveluloto, Tonga · 2063 days ago · 332 km deep · 72 km away
  22. 5.0236 km W of Haveluloto, Tonga · 2062 days ago · 369 km deep · 43 km away
  23. 4.5222 km WNW of Haveluloto, Tonga · 2060 days ago · 324 km deep · 59 km away
  24. 4.0281 km WNW of Haveluloto, Tonga · 2059 days ago · 501 km deep · 32 km away
  25. 4.4268 km WNW of Haveluloto, Tonga · 2053 days ago · 480 km deep · 56 km away
  26. 4.2Fiji region · 2048 days ago · 585 km deep · 68 km away
  27. 4.3Fiji region · 2045 days ago · 576 km deep · 58 km away

Before

  1. 4.3Fiji region · 2107 days ago · 568 km deep · 72 km away
  2. 4.4294 km W of Haveluloto, Tonga · 2109 days ago · 467 km deep · 24 km away
  3. 4.4Fiji region · 2110 days ago · 545 km deep · 52 km away
  4. 4.8272 km WNW of Haveluloto, Tonga · 2110 days ago · 558 km deep · 51 km away
  5. 4.6Fiji region · 2112 days ago · 490 km deep · 41 km away
  6. 4.3Fiji region · 2113 days ago · 568 km deep · 30 km away
  7. 4.5Fiji region · 2114 days ago · 544 km deep · 40 km away
  8. 4.3Fiji region · 2114 days ago · 544 km deep · 77 km away
  9. 4.4Fiji region · 2115 days ago · 610 km deep · 81 km away
  10. 4.4Fiji region · 2115 days ago · 492 km deep · 28 km away
  11. 4.3Fiji region · 2116 days ago · 584 km deep · 93 km away
  12. 4.3226 km W of Haveluloto, Tonga · 2116 days ago · 571 km deep · 60 km away
  13. 4.3Fiji region · 2120 days ago · 573 km deep · 60 km away
  14. 4.1289 km W of Haveluloto, Tonga · 2120 days ago · 465 km deep · 11 km away
  15. 4.3270 km WNW of Haveluloto, Tonga · 2120 days ago · 524 km deep · 47 km away
  16. 4.2Fiji region · 2126 days ago · 555 km deep · 61 km away
  17. 4.5Fiji region · 2131 days ago · 567 km deep · 56 km away
  18. 4.1282 km WNW of Haveluloto, Tonga · 2133 days ago · 510 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000d65i. Read Wed, Sep 30, 2026, 10:44 PM UTC.