Tonga earthquakes

M4.2 earthquake 288 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 288 km WNW of Haveluloto, Tonga on Thu, Dec 28, 2017, 9:38 AM GMT+13 (20:38 UTC), 367 km (228 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, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-12-27 20:38:34 UTC
Depth
366.8 km (227.9 mi), deep
Epicenter
20.040° S, 177.716° 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 14.7 km horizontally, 7.9 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
127°
Stations used
40

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. 4.3288 km WNW of Haveluloto, Tonga · 3196 days ago · 537 km deep · 43 km away
  2. 4.7Fiji region · 3193 days ago · 596 km deep · 38 km away
  3. 4.1287 km WNW of Haveluloto, Tonga · 3188 days ago · 450 km deep · 13 km away
  4. 4.5255 km WNW of Haveluloto, Tonga · 3187 days ago · 462 km deep · 41 km away
  5. 4.3Fiji region · 3187 days ago · 445 km deep · 87 km away
  6. 4.4272 km WNW of Haveluloto, Tonga · 3185 days ago · 394 km deep · 38 km away
  7. 4.2256 km WNW of Haveluloto, Tonga · 3183 days ago · 492 km deep · 48 km away
  8. 4.5276 km WNW of Haveluloto, Tonga · 3179 days ago · 494 km deep · 19 km away
  9. 4.3297 km NW of Haveluloto, Tonga · 3177 days ago · 471 km deep · 66 km away
  10. 4.3281 km WNW of Haveluloto, Tonga · 3171 days ago · 539 km deep · 24 km away
  11. 4.4Fiji region · 3169 days ago · 550 km deep · 96 km away
  12. 4.0246 km WNW of Haveluloto, Tonga · 3169 days ago · 447 km deep · 48 km away
  13. 4.0288 km WNW of Haveluloto, Tonga · 3168 days ago · 473 km deep · 37 km away
  14. 4.3262 km WNW of Haveluloto, Tonga · 3160 days ago · 467 km deep · 61 km away
  15. 5.3Fiji region · 3158 days ago · 560 km deep · 81 km away
  16. 4.2279 km WNW of Haveluloto, Tonga · 3154 days ago · 528 km deep · 38 km away
  17. 4.1Fiji region · 3150 days ago · 546 km deep · 84 km away
  18. 4.4293 km WNW of Haveluloto, Tonga · 3148 days ago · 453 km deep · 55 km away
  19. 4.2Fiji region · 3143 days ago · 466 km deep · 67 km away

Before

  1. 4.9Fiji region · 3206 days ago · 556 km deep · 99 km away
  2. 4.9Fiji region · 3206 days ago · 517 km deep · 83 km away
  3. 4.4280 km WNW of Haveluloto, Tonga · 3206 days ago · 516 km deep · 43 km away
  4. 4.3298 km WNW of Haveluloto, Tonga · 3207 days ago · 502 km deep · 27 km away
  5. 4.2271 km WNW of Haveluloto, Tonga · 3211 days ago · 530 km deep · 24 km away
  6. 4.2276 km WNW of Haveluloto, Tonga · 3215 days ago · 379 km deep · 58 km away
  7. 4.2278 km WNW of Haveluloto, Tonga · 3217 days ago · 490 km deep · 18 km away
  8. 4.4291 km WNW of Haveluloto, Tonga · 3218 days ago · 475 km deep · 39 km away
  9. 4.4278 km W of Haveluloto, Tonga · 3219 days ago · 447 km deep · 87 km away
  10. 4.2279 km WNW of Haveluloto, Tonga · 3222 days ago · 526 km deep · 17 km away
  11. 4.5Fiji region · 3227 days ago · 573 km deep · 73 km away
  12. 4.6260 km WNW of Haveluloto, Tonga · 3227 days ago · 509 km deep · 29 km away
  13. 4.5273 km WNW of Haveluloto, Tonga · 3227 days ago · 479 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000ciau. Read Thu, Oct 1, 2026, 4:58 AM UTC.