Tonga earthquakes

M4.2 earthquake 278 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 278 km WNW of Haveluloto, Tonga on Mon, Jul 3, 2017, 4:50 AM GMT+13 (15:50 UTC), 529 km (329 mi) below the surface.

A larger quake followed: M4.7 Fiji region. 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
4.2 (mb), light
Local time
UTC
2017-07-02 15:50:51 UTC
Depth
529.1 km (328.8 mi), deep
Epicenter
20.398° S, 177.763° 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 13.0 km horizontally, 9.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
99°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 4.3286 km WNW of Haveluloto, Tonga · 3377 days ago · 530 km deep · 8 km away
  2. 4.2Fiji region · 3376 days ago · 602 km deep · 93 km away
  3. 4.2Fiji region · 3374 days ago · 546 km deep · 66 km away
  4. 4.3Fiji region · 3374 days ago · 552 km deep · 77 km away
  5. 4.2Fiji region · 3372 days ago · 591 km deep · 54 km away
  6. 4.1295 km WNW of Haveluloto, Tonga · 3370 days ago · 488 km deep · 24 km away
  7. 4.4280 km W of Haveluloto, Tonga · 3366 days ago · 409 km deep · 96 km away
  8. 4.4Fiji region · 3361 days ago · 604 km deep · 69 km away
  9. 4.0267 km WNW of Haveluloto, Tonga · 3361 days ago · 545 km deep · 23 km away
  10. 4.6275 km WNW of Haveluloto, Tonga · 3359 days ago · 422 km deep · 45 km away
  11. 4.3269 km WNW of Haveluloto, Tonga · 3357 days ago · 467 km deep · 46 km away
  12. 4.4259 km NW of Haveluloto, Tonga · 3355 days ago · 555 km deep · 84 km away
  13. 4.1Fiji region · 3354 days ago · 575 km deep · 71 km away
  14. 4.2Fiji region · 3351 days ago · 555 km deep · 70 km away
  15. 4.5Fiji region · 3348 days ago · 573 km deep · 87 km away
  16. 4.2Fiji region · 3347 days ago · 350 km deep · 71 km away
  17. 4.4Fiji region · 3347 days ago · 533 km deep · 35 km away
  18. 4.4Fiji region · 3346 days ago · 580 km deep · 95 km away
  19. 4.3Fiji region · 3343 days ago · 593 km deep · 84 km away
  20. 4.2270 km WNW of Haveluloto, Tonga · 3343 days ago · 518 km deep · 16 km away
  21. 4.3Fiji region · 3342 days ago · 574 km deep · 90 km away
  22. 4.1278 km WNW of Haveluloto, Tonga · 3342 days ago · 503 km deep · 25 km away
  23. 4.7Fiji region · 3339 days ago · 584 km deep · 71 km away
  24. 4.2253 km WNW of Haveluloto, Tonga · 3339 days ago · 386 km deep · 71 km away
  25. 4.2Fiji region · 3339 days ago · 567 km deep · 77 km away
  26. 4.3Fiji region · 3338 days ago · 602 km deep · 52 km away
  27. 4.4252 km W of Haveluloto, Tonga · 3338 days ago · 402 km deep · 40 km away
  28. 4.3256 km WNW of Haveluloto, Tonga · 3338 days ago · 489 km deep · 22 km away
  29. 4.4266 km WNW of Haveluloto, Tonga · 3338 days ago · 499 km deep · 19 km away
  30. 4.4Fiji region · 3337 days ago · 578 km deep · 62 km away
  31. 4.0280 km WNW of Haveluloto, Tonga · 3336 days ago · 534 km deep · 51 km away
  32. 4.6269 km W of Haveluloto, Tonga · 3335 days ago · 506 km deep · 34 km away
  33. 4.2289 km WNW of Haveluloto, Tonga · 3333 days ago · 505 km deep · 55 km away
  34. 4.5263 km WNW of Haveluloto, Tonga · 3332 days ago · 491 km deep · 28 km away
  35. 4.6Fiji region · 3323 days ago · 577 km deep · 68 km away
  36. 4.4277 km NW of Haveluloto, Tonga · 3322 days ago · 532 km deep · 91 km away
  37. 4.1299 km WNW of Haveluloto, Tonga · 3321 days ago · 555 km deep · 27 km away

Before

  1. 4.5268 km NW of Haveluloto, Tonga · 3381 days ago · 551 km deep · 81 km away
  2. 4.2Fiji region · 3381 days ago · 529 km deep · 31 km away
  3. 4.2Fiji region · 3381 days ago · 612 km deep · 87 km away
  4. 4.4287 km WNW of Haveluloto, Tonga · 3384 days ago · 547 km deep · 19 km away
  5. 4.2285 km WNW of Haveluloto, Tonga · 3385 days ago · 499 km deep · 24 km away
  6. 4.4259 km NW of Haveluloto, Tonga · 3390 days ago · 424 km deep · 85 km away
  7. 4.3Fiji region · 3393 days ago · 602 km deep · 97 km away
  8. 4.1Fiji region · 3398 days ago · 545 km deep · 95 km away
  9. 4.4Fiji region · 3400 days ago · 613 km deep · 93 km away
  10. 4.5260 km WNW of Haveluloto, Tonga · 3402 days ago · 517 km deep · 30 km away
  11. 4.2244 km WNW of Haveluloto, Tonga · 3403 days ago · 400 km deep · 76 km away
  12. 4.0Fiji region · 3404 days ago · 573 km deep · 81 km away
  13. 4.2Fiji region · 3404 days ago · 547 km deep · 31 km away
  14. 4.1Fiji region · 3406 days ago · 550 km deep · 41 km away
  15. 4.2Fiji region · 3407 days ago · 415 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100097wp. Read Wed, Sep 30, 2026, 8:36 PM UTC.