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, Dec 11, 2017, 5:27 AM GMT+13 (16:27 UTC), 490 km (305 mi) below the surface.

A larger quake followed: M5.3 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
2017-12-10 16:27:04 UTC
Depth
490.4 km (304.7 mi), deep
Epicenter
20.201° S, 177.685° 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 9.4 km horizontally, 8.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
74°
Stations used
38

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. 4.2276 km WNW of Haveluloto, Tonga · 3214 days ago · 379 km deep · 41 km away
  2. 4.2271 km WNW of Haveluloto, Tonga · 3210 days ago · 530 km deep · 7 km away
  3. 4.3298 km WNW of Haveluloto, Tonga · 3206 days ago · 502 km deep · 23 km away
  4. 4.4280 km WNW of Haveluloto, Tonga · 3205 days ago · 516 km deep · 27 km away
  5. 4.2288 km WNW of Haveluloto, Tonga · 3199 days ago · 367 km deep · 18 km away
  6. 4.3288 km WNW of Haveluloto, Tonga · 3195 days ago · 537 km deep · 29 km away
  7. 4.7Fiji region · 3192 days ago · 596 km deep · 51 km away
  8. 4.1287 km WNW of Haveluloto, Tonga · 3187 days ago · 450 km deep · 29 km away
  9. 4.5255 km WNW of Haveluloto, Tonga · 3186 days ago · 462 km deep · 25 km away
  10. 4.4272 km WNW of Haveluloto, Tonga · 3184 days ago · 394 km deep · 49 km away
  11. 4.2256 km WNW of Haveluloto, Tonga · 3182 days ago · 492 km deep · 30 km away
  12. 4.5276 km WNW of Haveluloto, Tonga · 3178 days ago · 494 km deep · 2 km away
  13. 4.3297 km NW of Haveluloto, Tonga · 3177 days ago · 471 km deep · 81 km away
  14. 4.3281 km WNW of Haveluloto, Tonga · 3170 days ago · 539 km deep · 9 km away
  15. 4.4Fiji region · 3169 days ago · 550 km deep · 86 km away
  16. 4.0246 km WNW of Haveluloto, Tonga · 3169 days ago · 447 km deep · 49 km away
  17. 4.0288 km WNW of Haveluloto, Tonga · 3167 days ago · 473 km deep · 24 km away
  18. 4.5Fiji region · 3167 days ago · 512 km deep · 97 km away
  19. 4.3262 km WNW of Haveluloto, Tonga · 3159 days ago · 467 km deep · 43 km away
  20. 5.3Fiji region · 3157 days ago · 560 km deep · 70 km away

Before

  1. 4.4291 km WNW of Haveluloto, Tonga · 3218 days ago · 475 km deep · 26 km away
  2. 4.4278 km W of Haveluloto, Tonga · 3218 days ago · 447 km deep · 71 km away
  3. 4.2279 km WNW of Haveluloto, Tonga · 3221 days ago · 526 km deep · 28 km away
  4. 4.5Fiji region · 3226 days ago · 573 km deep · 71 km away
  5. 4.6260 km WNW of Haveluloto, Tonga · 3226 days ago · 509 km deep · 19 km away
  6. 4.5273 km WNW of Haveluloto, Tonga · 3226 days ago · 479 km deep · 32 km away
  7. 4.3286 km W of Haveluloto, Tonga · 3234 days ago · 499 km deep · 72 km away
  8. 4.2Fiji region · 3236 days ago · 549 km deep · 51 km away
  9. 4.2Fiji region · 3236 days ago · 575 km deep · 96 km away
  10. 4.2257 km WNW of Haveluloto, Tonga · 3240 days ago · 521 km deep · 26 km away
  11. 4.5Fiji region · 3241 days ago · 576 km deep · 91 km away
  12. 4.3265 km WNW of Haveluloto, Tonga · 3242 days ago · 507 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000c4zd. Read Wed, Sep 30, 2026, 11:31 AM UTC.