Tonga earthquakes

M4.4 earthquake 252 km W of Haveluloto, Tonga

A magnitude 4.4 earthquake struck 252 km W of Haveluloto, Tonga on Fri, Aug 11, 2017, 8:27 AM GMT+13 (19:27 UTC), 402 km (249 mi) below the surface.

A larger quake followed: M4.6 269 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
4.4 (mb), light
Local time
UTC
2017-08-10 19:27:22 UTC
Depth
401.5 km (249.5 mi), deep
Epicenter
20.730° S, 177.603° 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 15.1 km horizontally, 7.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
161°
Stations used
35

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 13 in the 30 days before it.

After

  1. 4.3256 km WNW of Haveluloto, Tonga · 3338 days ago · 489 km deep · 30 km away
  2. 4.4266 km WNW of Haveluloto, Tonga · 3338 days ago · 499 km deep · 48 km away
  3. 4.4Fiji region · 3337 days ago · 578 km deep · 68 km away
  4. 4.0280 km WNW of Haveluloto, Tonga · 3336 days ago · 534 km deep · 84 km away
  5. 4.6269 km W of Haveluloto, Tonga · 3335 days ago · 506 km deep · 17 km away
  6. 4.2289 km WNW of Haveluloto, Tonga · 3333 days ago · 505 km deep · 91 km away
  7. 4.5263 km WNW of Haveluloto, Tonga · 3332 days ago · 491 km deep · 54 km away
  8. 4.1299 km WNW of Haveluloto, Tonga · 3321 days ago · 555 km deep · 49 km away
  9. 4.2Fiji region · 3317 days ago · 506 km deep · 91 km away
  10. 4.4Fiji region · 3317 days ago · 555 km deep · 52 km away
  11. 4.4Fiji region · 3315 days ago · 546 km deep · 78 km away
  12. 4.4293 km WNW of Haveluloto, Tonga · 3314 days ago · 527 km deep · 41 km away
  13. 4.5Fiji region · 3314 days ago · 527 km deep · 63 km away
  14. 4.5Fiji region · 3312 days ago · 568 km deep · 60 km away
  15. 4.3Fiji region · 3310 days ago · 585 km deep · 66 km away
  16. 4.4230 km WNW of Haveluloto, Tonga · 3299 days ago · 374 km deep · 42 km away
  17. 4.3Fiji region · 3294 days ago · 496 km deep · 82 km away
  18. 4.3Fiji region · 3294 days ago · 557 km deep · 81 km away
  19. 4.3Fiji region · 3286 days ago · 574 km deep · 98 km away

Before

  1. 4.3Fiji region · 3338 days ago · 602 km deep · 92 km away
  2. 4.2Fiji region · 3339 days ago · 567 km deep · 99 km away
  3. 4.2253 km WNW of Haveluloto, Tonga · 3339 days ago · 386 km deep · 94 km away
  4. 4.1278 km WNW of Haveluloto, Tonga · 3342 days ago · 503 km deep · 61 km away
  5. 4.2270 km WNW of Haveluloto, Tonga · 3343 days ago · 518 km deep · 48 km away
  6. 4.4Fiji region · 3347 days ago · 533 km deep · 61 km away
  7. 4.5Fiji region · 3348 days ago · 573 km deep · 88 km away
  8. 4.2Fiji region · 3351 days ago · 555 km deep · 82 km away
  9. 4.3269 km WNW of Haveluloto, Tonga · 3357 days ago · 467 km deep · 76 km away
  10. 4.6275 km WNW of Haveluloto, Tonga · 3359 days ago · 422 km deep · 77 km away
  11. 4.0267 km WNW of Haveluloto, Tonga · 3361 days ago · 545 km deep · 19 km away
  12. 4.4Fiji region · 3362 days ago · 604 km deep · 89 km away
  13. 4.4280 km W of Haveluloto, Tonga · 3366 days ago · 409 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000a8eu. Read Wed, Sep 30, 2026, 10:19 PM UTC.