Tonga earthquakes

M4.0 earthquake 245 km WNW of Haveluloto, Tonga

A magnitude 4.0 earthquake struck 245 km WNW of Haveluloto, Tonga on Tue, Oct 24, 2017, 2:12 AM GMT+13 (13:12 UTC), 351 km (218 mi) below the surface.

A larger quake followed: M4.6 260 km WNW 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-10-23 13:12:54 UTC
Depth
350.9 km (218.0 mi), deep
Epicenter
20.492° S, 177.467° 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 10.7 km horizontally, 9.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
114°
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: 23 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 3.9Fiji region · 3261 days ago · 567 km deep · 95 km away
  2. 4.3279 km WNW of Haveluloto, Tonga · 3259 days ago · 514 km deep · 37 km away
  3. 4.3Fiji region · 3258 days ago · 552 km deep · 67 km away
  4. 4.3260 km WNW of Haveluloto, Tonga · 3257 days ago · 514 km deep · 20 km away
  5. 4.4258 km W of Haveluloto, Tonga · 3252 days ago · 329 km deep · 36 km away
  6. 4.3Fiji region · 3250 days ago · 537 km deep · 79 km away
  7. 4.3265 km WNW of Haveluloto, Tonga · 3243 days ago · 507 km deep · 26 km away
  8. 4.5Fiji region · 3243 days ago · 576 km deep · 94 km away
  9. 4.5263 km W of Haveluloto, Tonga · 3242 days ago · 348 km deep · 98 km away
  10. 4.2257 km WNW of Haveluloto, Tonga · 3241 days ago · 521 km deep · 13 km away
  11. 4.2Fiji region · 3237 days ago · 549 km deep · 71 km away
  12. 4.3286 km W of Haveluloto, Tonga · 3235 days ago · 499 km deep · 60 km away
  13. 4.5273 km WNW of Haveluloto, Tonga · 3228 days ago · 479 km deep · 28 km away
  14. 4.6260 km WNW of Haveluloto, Tonga · 3227 days ago · 509 km deep · 32 km away
  15. 4.5Fiji region · 3227 days ago · 573 km deep · 94 km away
  16. 4.2279 km WNW of Haveluloto, Tonga · 3223 days ago · 526 km deep · 59 km away
  17. 4.4278 km W of Haveluloto, Tonga · 3220 days ago · 447 km deep · 55 km away
  18. 4.4291 km WNW of Haveluloto, Tonga · 3219 days ago · 475 km deep · 46 km away
  19. 4.2278 km WNW of Haveluloto, Tonga · 3217 days ago · 490 km deep · 40 km away
  20. 4.2276 km WNW of Haveluloto, Tonga · 3216 days ago · 379 km deep · 35 km away
  21. 4.2271 km WNW of Haveluloto, Tonga · 3211 days ago · 530 km deep · 33 km away
  22. 4.3298 km WNW of Haveluloto, Tonga · 3207 days ago · 502 km deep · 55 km away
  23. 4.4280 km WNW of Haveluloto, Tonga · 3207 days ago · 516 km deep · 34 km away

Before

  1. 4.6272 km WNW of Haveluloto, Tonga · 3273 days ago · 514 km deep · 30 km away
  2. 4.0247 km WNW of Haveluloto, Tonga · 3275 days ago · 395 km deep · 30 km away
  3. 4.1Fiji region · 3277 days ago · 558 km deep · 68 km away
  4. 4.3277 km WNW of Haveluloto, Tonga · 3278 days ago · 486 km deep · 32 km away
  5. 4.1272 km WNW of Haveluloto, Tonga · 3278 days ago · 517 km deep · 28 km away
  6. 4.3288 km NW of Haveluloto, Tonga · 3293 days ago · 546 km deep · 95 km away
  7. 4.3Fiji region · 3295 days ago · 557 km deep · 97 km away
  8. 4.3Fiji region · 3295 days ago · 496 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000az63. Read Fri, Oct 2, 2026, 12:16 AM UTC.