Tonga earthquakes

M4.0 earthquake 278 km W of Houma, Tonga

A magnitude 4.0 earthquake struck 278 km W of Houma, Tonga on Mon, Jul 22, 2024, 12:49 AM GMT+13 (11:49 UTC), 482 km (300 mi) below the surface.

A larger quake followed: M5.0 252 km WNW of Houma, 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, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-07-21 11:49:23 UTC
Depth
482.0 km (299.5 mi), deep
Epicenter
21.050° S, 177.979° 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 14.3 km horizontally, 9.9 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
82°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.2Fiji region · 801 days ago · 543 km deep · 73 km away
  2. 4.0275 km WNW of Houma, Tonga · 797 days ago · 495 km deep · 43 km away
  3. 4.3Fiji region · 792 days ago · 580 km deep · 60 km away
  4. 4.2Fiji region · 787 days ago · 559 km deep · 76 km away
  5. 4.4254 km WNW of Houma, Tonga · 787 days ago · 484 km deep · 74 km away
  6. 4.5293 km W of Houma, Tonga · 786 days ago · 440 km deep · 25 km away
  7. 4.3Fiji region · 786 days ago · 565 km deep · 78 km away
  8. 4.6Fiji region · 786 days ago · 400 km deep · 88 km away
  9. 5.0252 km WNW of Houma, Tonga · 785 days ago · 462 km deep · 77 km away
  10. 4.1271 km W of Houma, Tonga · 782 days ago · 414 km deep · 20 km away
  11. 4.3Fiji region · 782 days ago · 560 km deep · 65 km away
  12. 4.0Fiji region · 780 days ago · 556 km deep · 83 km away
  13. 4.5261 km WNW of Houma, Tonga · 778 days ago · 501 km deep · 87 km away
  14. 4.4Fiji region · 773 days ago · 535 km deep · 78 km away
  15. 4.4Fiji region · 773 days ago · 581 km deep · 93 km away
  16. 4.4Fiji region · 770 days ago · 575 km deep · 99 km away
  17. 4.1279 km WNW of Houma, Tonga · 770 days ago · 536 km deep · 56 km away
  18. 4.6Fiji region · 770 days ago · 564 km deep · 81 km away
  19. 4.1278 km WNW of Houma, Tonga · 769 days ago · 495 km deep · 58 km away
  20. 4.3277 km WNW of Houma, Tonga · 769 days ago · 488 km deep · 48 km away
  21. 4.1270 km WNW of Houma, Tonga · 759 days ago · 519 km deep · 99 km away
  22. 4.3283 km WNW of Houma, Tonga · 749 days ago · 521 km deep · 61 km away
  23. 4.2Fiji region · 748 days ago · 571 km deep · 76 km away
  24. 4.2262 km WNW of Houma, Tonga · 747 days ago · 530 km deep · 66 km away
  25. 4.0275 km WNW of Houma, Tonga · 747 days ago · 488 km deep · 92 km away
  26. 4.0253 km WNW of Houma, Tonga · 744 days ago · 480 km deep · 60 km away

Before

  1. 4.1251 km W of Houma, Tonga · 812 days ago · 457 km deep · 33 km away
  2. 4.2Fiji region · 814 days ago · 562 km deep · 60 km away
  3. 4.3Fiji region · 817 days ago · 432 km deep · 59 km away
  4. 4.0Fiji region · 817 days ago · 586 km deep · 98 km away
  5. 4.4Fiji region · 819 days ago · 547 km deep · 88 km away
  6. 4.1Fiji region · 820 days ago · 633 km deep · 56 km away
  7. 4.5Fiji region · 822 days ago · 619 km deep · 85 km away
  8. 4.4Fiji region · 822 days ago · 577 km deep · 42 km away
  9. 4.3Fiji region · 823 days ago · 539 km deep · 45 km away
  10. 4.0Fiji region · 823 days ago · 562 km deep · 84 km away
  11. 4.2Fiji region · 829 days ago · 563 km deep · 75 km away
  12. 4.3Fiji region · 829 days ago · 557 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000nhl0. Read Fri, Oct 2, 2026, 1:31 PM UTC.