Tonga earthquakes

M4.4 earthquake 294 km WNW of Haveluloto, Tonga

A magnitude 4.4 earthquake struck 294 km WNW of Haveluloto, Tonga on Sat, Feb 20, 2021, 7:19 PM GMT+13 (06:19 UTC), 563 km (350 mi) below the surface.

A larger quake followed: M5.9 273 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
4.4 (mb), light
Local time
UTC
2021-02-20 06:19:16 UTC
Depth
562.7 km (349.7 mi), deep
Epicenter
19.766° S, 177.626° 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 9.0 km horizontally, 12.8 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
153°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.2299 km WNW of Haveluloto, Tonga · 2037 days ago · 530 km deep · 6 km away
  2. 4.4291 km WNW of Haveluloto, Tonga · 2035 days ago · 547 km deep · 98 km away
  3. 4.4Fiji region · 2034 days ago · 551 km deep · 93 km away
  4. 4.2283 km WNW of Haveluloto, Tonga · 2031 days ago · 529 km deep · 51 km away
  5. 5.9273 km WNW of Haveluloto, Tonga · 2028 days ago · 488 km deep · 43 km away
  6. 4.6292 km WNW of Haveluloto, Tonga · 2028 days ago · 553 km deep · 16 km away
  7. 4.1Fiji region · 2022 days ago · 541 km deep · 82 km away
  8. 4.2243 km NW of Haveluloto, Tonga · 2018 days ago · 388 km deep · 54 km away
  9. 4.5Fiji region · 2016 days ago · 549 km deep · 60 km away
  10. 4.1289 km WNW of Haveluloto, Tonga · 2016 days ago · 537 km deep · 67 km away
  11. 4.5270 km WNW of Haveluloto, Tonga · 2013 days ago · 398 km deep · 25 km away
  12. 4.3Fiji region · 2010 days ago · 574 km deep · 91 km away
  13. 4.2Fiji region · 2006 days ago · 568 km deep · 74 km away
  14. 4.1Fiji region · 2004 days ago · 275 km deep · 63 km away
  15. 4.3Fiji region · 2003 days ago · 572 km deep · 63 km away
  16. 4.1Fiji region · 2002 days ago · 592 km deep · 46 km away
  17. 4.2Fiji region · 2000 days ago · 531 km deep · 92 km away
  18. 4.4Fiji region · 1991 days ago · 555 km deep · 48 km away
  19. 4.2285 km WNW of Haveluloto, Tonga · 1988 days ago · 510 km deep · 60 km away

Before

  1. 4.6Fiji region · 2047 days ago · 461 km deep · 17 km away
  2. 4.4268 km WNW of Haveluloto, Tonga · 2051 days ago · 480 km deep · 60 km away
  3. 4.4Fiji region · 2052 days ago · 531 km deep · 68 km away
  4. 4.8292 km NW of Nuku‘alofa, Tonga · 2057 days ago · 581 km deep · 61 km away
  5. 4.0281 km WNW of Haveluloto, Tonga · 2057 days ago · 501 km deep · 81 km away
  6. 4.2Fiji region · 2062 days ago · 408 km deep · 85 km away
  7. 4.8289 km WNW of Haveluloto, Tonga · 2064 days ago · 530 km deep · 70 km away
  8. 4.8Fiji region · 2071 days ago · 560 km deep · 83 km away
  9. 4.6Fiji region · 2072 days ago · 574 km deep · 60 km away
  10. 4.4264 km WNW of Haveluloto, Tonga · 2073 days ago · 521 km deep · 74 km away
  11. 4.3291 km WNW of Haveluloto, Tonga · 2075 days ago · 526 km deep · 49 km away
  12. 4.5299 km NW of Nuku‘alofa, Tonga · 2076 days ago · 556 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ddkb. Read Tue, Sep 29, 2026, 3:51 AM UTC.