Tonga earthquakes

M4.0 earthquake 281 km WNW of Haveluloto, Tonga

A magnitude 4.0 earthquake struck 281 km WNW of Haveluloto, Tonga on Mon, Feb 9, 2015, 6:30 AM GMT+13 (17:30 UTC), 475 km (295 mi) below the surface.

A larger quake followed: M5.1 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-02-08 17:30:46 UTC
Depth
474.6 km (294.9 mi), deep
Epicenter
20.521° S, 177.835° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 14.7 km horizontally, 13.8 km in depth
Magnitude uncertainty
±0.15
Depth from
FROM_LOCATION
Station coverage gap
100°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 4.8261 km WNW of Haveluloto, Tonga · 4256 days ago · 540 km deep · 25 km away
  2. 4.1Fiji region · 4256 days ago · 596 km deep · 80 km away
  3. 4.6Fiji region · 4255 days ago · 559 km deep · 26 km away
  4. 4.6283 km WNW of Haveluloto, Tonga · 4254 days ago · 506 km deep · 24 km away
  5. 4.6271 km WNW of Haveluloto, Tonga · 4252 days ago · 542 km deep · 80 km away
  6. 4.6Fiji region · 4250 days ago · 589 km deep · 61 km away
  7. 4.4271 km WNW of Haveluloto, Tonga · 4248 days ago · 406 km deep · 68 km away
  8. 4.3277 km WNW of Haveluloto, Tonga · 4247 days ago · 542 km deep · 61 km away
  9. 4.4255 km WNW of Haveluloto, Tonga · 4244 days ago · 480 km deep · 28 km away
  10. 4.1297 km WNW of Haveluloto, Tonga · 4240 days ago · 589 km deep · 57 km away
  11. 4.2Fiji region · 4236 days ago · 534 km deep · 48 km away
  12. 4.6Fiji region · 4235 days ago · 594 km deep · 91 km away
  13. 4.1267 km WNW of Haveluloto, Tonga · 4234 days ago · 529 km deep · 55 km away
  14. 4.8291 km WNW of Haveluloto, Tonga · 4232 days ago · 552 km deep · 31 km away
  15. 4.5234 km WNW of Haveluloto, Tonga · 4229 days ago · 477 km deep · 47 km away
  16. 5.1Fiji region · 4228 days ago · 565 km deep · 59 km away
  17. 4.3Fiji region · 4226 days ago · 592 km deep · 78 km away
  18. 4.3299 km W of Haveluloto, Tonga · 4225 days ago · 499 km deep · 52 km away
  19. 4.3279 km WNW of Haveluloto, Tonga · 4220 days ago · 506 km deep · 24 km away
  20. 4.0273 km WNW of Haveluloto, Tonga · 4215 days ago · 391 km deep · 59 km away
  21. 4.5Fiji region · 4214 days ago · 569 km deep · 64 km away
  22. 4.3Fiji region · 4214 days ago · 594 km deep · 83 km away
  23. 4.3Fiji region · 4212 days ago · 428 km deep · 86 km away
  24. 4.1Fiji region · 4210 days ago · 561 km deep · 46 km away
  25. 4.1Fiji region · 4209 days ago · 556 km deep · 64 km away
  26. 4.4Fiji region · 4208 days ago · 601 km deep · 71 km away
  27. 4.2264 km WNW of Haveluloto, Tonga · 4208 days ago · 325 km deep · 80 km away
  28. 4.0273 km WNW of Haveluloto, Tonga · 4206 days ago · 555 km deep · 8 km away
  29. 4.5282 km WNW of Haveluloto, Tonga · 4201 days ago · 525 km deep · 49 km away

Before

  1. 4.5Fiji region · 4264 days ago · 607 km deep · 98 km away
  2. 6.2Fiji region · 4268 days ago · 484 km deep · 69 km away
  3. 4.5Fiji region · 4272 days ago · 539 km deep · 60 km away
  4. 4.3277 km WNW of Haveluloto, Tonga · 4274 days ago · 517 km deep · 8 km away
  5. 4.3Fiji region · 4274 days ago · 566 km deep · 52 km away
  6. 4.1Fiji region · 4276 days ago · 487 km deep · 54 km away
  7. 4.1Fiji region · 4277 days ago · 604 km deep · 97 km away
  8. 4.1Fiji region · 4278 days ago · 451 km deep · 84 km away
  9. 4.5298 km WNW of Haveluloto, Tonga · 4278 days ago · 534 km deep · 28 km away
  10. 4.4280 km WNW of Haveluloto, Tonga · 4278 days ago · 417 km deep · 47 km away
  11. 4.1275 km W of Haveluloto, Tonga · 4279 days ago · 440 km deep · 55 km away
  12. 4.2277 km WNW of Haveluloto, Tonga · 4282 days ago · 515 km deep · 36 km away
  13. 4.2Fiji region · 4284 days ago · 518 km deep · 41 km away
  14. 4.1Fiji region · 4285 days ago · 544 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000tp2v. Read Sun, Oct 4, 2026, 2:34 PM UTC.