Tonga earthquakes

M4.0 earthquake 276 km WNW of Haveluloto, Tonga

A magnitude 4.0 earthquake struck 276 km WNW of Haveluloto, Tonga on Tue, Apr 18, 2017, 10:32 AM GMT+13 (21:32 UTC), 523 km (325 mi) below the surface.

A larger quake followed: M4.5 270 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-04-17 21:32:12 UTC
Depth
523.4 km (325.2 mi), deep
Epicenter
20.326° S, 177.721° 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, 3.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
84°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.5270 km WNW of Haveluloto, Tonga · 3445 days ago · 529 km deep · 37 km away
  2. 4.4Fiji region · 3443 days ago · 535 km deep · 46 km away
  3. 4.4Fiji region · 3436 days ago · 605 km deep · 60 km away
  4. 4.4267 km WNW of Haveluloto, Tonga · 3435 days ago · 562 km deep · 35 km away
  5. 4.1279 km WNW of Haveluloto, Tonga · 3429 days ago · 548 km deep · 59 km away
  6. 4.3242 km W of Haveluloto, Tonga · 3424 days ago · 480 km deep · 65 km away
  7. 4.3291 km WNW of Haveluloto, Tonga · 3424 days ago · 543 km deep · 38 km away
  8. 4.4Fiji region · 3422 days ago · 529 km deep · 51 km away
  9. 4.1Fiji region · 3421 days ago · 598 km deep · 94 km away
  10. 4.3Fiji region · 3420 days ago · 592 km deep · 96 km away
  11. 4.1296 km WNW of Haveluloto, Tonga · 3420 days ago · 572 km deep · 38 km away
  12. 4.2Fiji region · 3418 days ago · 481 km deep · 95 km away
  13. 4.4280 km NW of Haveluloto, Tonga · 3411 days ago · 559 km deep · 78 km away
  14. 4.3258 km WNW of Haveluloto, Tonga · 3411 days ago · 507 km deep · 18 km away
  15. 4.4284 km WNW of Haveluloto, Tonga · 3410 days ago · 494 km deep · 19 km away
  16. 4.2Fiji region · 3408 days ago · 415 km deep · 38 km away
  17. 4.1Fiji region · 3407 days ago · 550 km deep · 49 km away
  18. 4.2Fiji region · 3405 days ago · 547 km deep · 39 km away
  19. 4.0Fiji region · 3405 days ago · 573 km deep · 75 km away
  20. 4.2244 km WNW of Haveluloto, Tonga · 3405 days ago · 400 km deep · 68 km away
  21. 4.5260 km WNW of Haveluloto, Tonga · 3403 days ago · 517 km deep · 36 km away
  22. 4.0Fiji region · 3402 days ago · 415 km deep · 97 km away

Before

  1. 4.3282 km WNW of Haveluloto, Tonga · 3456 days ago · 505 km deep · 23 km away
  2. 4.6Fiji region · 3457 days ago · 390 km deep · 68 km away
  3. 4.3Fiji region · 3459 days ago · 580 km deep · 45 km away
  4. 4.2274 km WNW of Haveluloto, Tonga · 3462 days ago · 391 km deep · 11 km away
  5. 4.3265 km NW of Haveluloto, Tonga · 3463 days ago · 364 km deep · 73 km away
  6. 4.9277 km NW of Haveluloto, Tonga · 3464 days ago · 407 km deep · 73 km away
  7. 4.2Fiji region · 3470 days ago · 590 km deep · 42 km away
  8. 4.3285 km NW of Haveluloto, Tonga · 3477 days ago · 389 km deep · 73 km away
  9. 4.2244 km WNW of Haveluloto, Tonga · 3477 days ago · 516 km deep · 34 km away
  10. 4.5Fiji region · 3481 days ago · 567 km deep · 52 km away
  11. 4.3Fiji region · 3484 days ago · 554 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008jlf. Read Fri, Oct 2, 2026, 2:04 AM UTC.