Tonga earthquakes

M4.2 earthquake 253 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 253 km WNW of Haveluloto, Tonga on Thu, Aug 10, 2017, 1:15 PM GMT+13 (00:15 UTC), 386 km (240 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
4.2 (mb), light
Local time
UTC
2017-08-10 00:15:35 UTC
Depth
386.0 km (239.9 mi), deep
Epicenter
19.944° S, 177.282° 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 8.4 km horizontally, 8.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
96°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.3Fiji region · 3338 days ago · 602 km deep · 86 km away
  2. 4.4252 km W of Haveluloto, Tonga · 3338 days ago · 402 km deep · 94 km away
  3. 4.3256 km WNW of Haveluloto, Tonga · 3338 days ago · 489 km deep · 64 km away
  4. 4.4266 km WNW of Haveluloto, Tonga · 3337 days ago · 499 km deep · 53 km away
  5. 4.0280 km WNW of Haveluloto, Tonga · 3335 days ago · 534 km deep · 32 km away
  6. 4.6269 km W of Haveluloto, Tonga · 3335 days ago · 506 km deep · 98 km away
  7. 4.2Fiji region · 3334 days ago · 448 km deep · 72 km away
  8. 4.2289 km WNW of Haveluloto, Tonga · 3333 days ago · 505 km deep · 39 km away
  9. 4.5263 km WNW of Haveluloto, Tonga · 3332 days ago · 491 km deep · 44 km away
  10. 4.6Fiji region · 3322 days ago · 577 km deep · 66 km away
  11. 4.4277 km NW of Haveluloto, Tonga · 3322 days ago · 532 km deep · 31 km away
  12. 4.3Fiji region · 3322 days ago · 381 km deep · 87 km away
  13. 4.1299 km WNW of Haveluloto, Tonga · 3321 days ago · 555 km deep · 97 km away
  14. 4.4Fiji region · 3317 days ago · 555 km deep · 93 km away
  15. 4.3Fiji region · 3315 days ago · 542 km deep · 62 km away
  16. 4.5299 km NW of Haveluloto, Tonga · 3300 days ago · 564 km deep · 51 km away
  17. 4.4230 km WNW of Haveluloto, Tonga · 3299 days ago · 374 km deep · 59 km away
  18. 4.5Fiji region · 3295 days ago · 574 km deep · 86 km away
  19. 4.3Fiji region · 3294 days ago · 496 km deep · 67 km away
  20. 4.3288 km NW of Haveluloto, Tonga · 3292 days ago · 546 km deep · 39 km away

Before

  1. 4.7Fiji region · 3339 days ago · 584 km deep · 81 km away
  2. 4.1278 km WNW of Haveluloto, Tonga · 3342 days ago · 503 km deep · 50 km away
  3. 4.3Fiji region · 3342 days ago · 574 km deep · 64 km away
  4. 4.2270 km WNW of Haveluloto, Tonga · 3342 days ago · 518 km deep · 56 km away
  5. 4.3216 km NW of Nuku‘alofa, Tonga · 3345 days ago · 303 km deep · 78 km away
  6. 4.2Fiji region · 3347 days ago · 350 km deep · 65 km away
  7. 4.0Fiji region · 3349 days ago · 589 km deep · 83 km away
  8. 4.1Fiji region · 3354 days ago · 575 km deep · 94 km away
  9. 4.4259 km NW of Haveluloto, Tonga · 3355 days ago · 555 km deep · 15 km away
  10. 4.3269 km WNW of Haveluloto, Tonga · 3357 days ago · 467 km deep · 27 km away
  11. 4.6275 km WNW of Haveluloto, Tonga · 3358 days ago · 422 km deep · 32 km away
  12. 4.0267 km WNW of Haveluloto, Tonga · 3361 days ago · 545 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000a8e3. Read Wed, Sep 30, 2026, 5:31 PM UTC.