Tonga earthquakes

M4.2 earthquake 257 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 257 km WNW of Haveluloto, Tonga on Fri, Nov 17, 2017, 10:42 AM GMT+13 (21:42 UTC), 521 km (324 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
2017-11-16 21:42:50 UTC
Depth
521.3 km (323.9 mi), deep
Epicenter
20.400° S, 177.550° 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 14.5 km horizontally, 9.6 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
145°
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: 21 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.2Fiji region · 3236 days ago · 575 km deep · 99 km away
  2. 4.2Fiji region · 3236 days ago · 549 km deep · 61 km away
  3. 4.3286 km W of Haveluloto, Tonga · 3234 days ago · 499 km deep · 60 km away
  4. 4.5273 km WNW of Haveluloto, Tonga · 3226 days ago · 479 km deep · 22 km away
  5. 4.6260 km WNW of Haveluloto, Tonga · 3226 days ago · 509 km deep · 22 km away
  6. 4.5Fiji region · 3226 days ago · 573 km deep · 83 km away
  7. 4.2279 km WNW of Haveluloto, Tonga · 3222 days ago · 526 km deep · 48 km away
  8. 4.4278 km W of Haveluloto, Tonga · 3219 days ago · 447 km deep · 57 km away
  9. 4.4291 km WNW of Haveluloto, Tonga · 3218 days ago · 475 km deep · 35 km away
  10. 4.2278 km WNW of Haveluloto, Tonga · 3216 days ago · 490 km deep · 26 km away
  11. 4.2276 km WNW of Haveluloto, Tonga · 3214 days ago · 379 km deep · 31 km away
  12. 4.2271 km WNW of Haveluloto, Tonga · 3210 days ago · 530 km deep · 20 km away
  13. 4.3298 km WNW of Haveluloto, Tonga · 3206 days ago · 502 km deep · 42 km away
  14. 4.4280 km WNW of Haveluloto, Tonga · 3205 days ago · 516 km deep · 25 km away
  15. 4.2288 km WNW of Haveluloto, Tonga · 3199 days ago · 367 km deep · 44 km away
  16. 4.3288 km WNW of Haveluloto, Tonga · 3195 days ago · 537 km deep · 32 km away
  17. 4.7Fiji region · 3192 days ago · 596 km deep · 77 km away
  18. 4.1287 km WNW of Haveluloto, Tonga · 3187 days ago · 450 km deep · 52 km away
  19. 4.5255 km WNW of Haveluloto, Tonga · 3186 days ago · 462 km deep · 6 km away
  20. 4.4272 km WNW of Haveluloto, Tonga · 3184 days ago · 394 km deep · 64 km away
  21. 4.2256 km WNW of Haveluloto, Tonga · 3183 days ago · 492 km deep · 6 km away

Before

  1. 4.5Fiji region · 3241 days ago · 576 km deep · 90 km away
  2. 4.3265 km WNW of Haveluloto, Tonga · 3242 days ago · 507 km deep · 14 km away
  3. 4.7Fiji region · 3247 days ago · 577 km deep · 97 km away
  4. 4.3Fiji region · 3249 days ago · 537 km deep · 66 km away
  5. 4.4258 km W of Haveluloto, Tonga · 3251 days ago · 329 km deep · 41 km away
  6. 4.3260 km WNW of Haveluloto, Tonga · 3256 days ago · 514 km deep · 7 km away
  7. 4.3Fiji region · 3257 days ago · 552 km deep · 58 km away
  8. 4.3279 km WNW of Haveluloto, Tonga · 3257 days ago · 514 km deep · 24 km away
  9. 4.1Fiji region · 3258 days ago · 591 km deep · 95 km away
  10. 3.9Fiji region · 3260 days ago · 567 km deep · 83 km away
  11. 4.0245 km WNW of Haveluloto, Tonga · 3264 days ago · 351 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000bu1m. Read Wed, Sep 30, 2026, 1:06 PM UTC.