Tonga earthquakes

M4.0 earthquake 280 km WNW of Haveluloto, Tonga

A magnitude 4.0 earthquake struck 280 km WNW of Haveluloto, Tonga on Wed, Mar 15, 2017, 5:42 AM GMT+13 (16:42 UTC), 512 km (318 mi) below the surface.

A larger quake followed: M4.9 277 km NW 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
2017-03-14 16:42:10 UTC
Depth
511.8 km (318.0 mi), deep
Epicenter
20.252° S, 177.730° 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 15.7 km horizontally, 10.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
98°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 4.3Fiji region · 3483 days ago · 554 km deep · 64 km away
  2. 4.5Fiji region · 3480 days ago · 567 km deep · 44 km away
  3. 4.2244 km WNW of Haveluloto, Tonga · 3476 days ago · 516 km deep · 36 km away
  4. 4.3285 km NW of Haveluloto, Tonga · 3476 days ago · 389 km deep · 66 km away
  5. 4.2Fiji region · 3469 days ago · 590 km deep · 40 km away
  6. 4.9277 km NW of Haveluloto, Tonga · 3463 days ago · 407 km deep · 67 km away
  7. 4.3265 km NW of Haveluloto, Tonga · 3462 days ago · 364 km deep · 67 km away
  8. 4.2274 km WNW of Haveluloto, Tonga · 3461 days ago · 391 km deep · 19 km away
  9. 4.3Fiji region · 3458 days ago · 580 km deep · 37 km away
  10. 4.6Fiji region · 3456 days ago · 390 km deep · 67 km away
  11. 4.3282 km WNW of Haveluloto, Tonga · 3455 days ago · 505 km deep · 16 km away
  12. 4.0276 km WNW of Haveluloto, Tonga · 3453 days ago · 523 km deep · 8 km away
  13. 4.5270 km WNW of Haveluloto, Tonga · 3444 days ago · 529 km deep · 31 km away
  14. 4.4Fiji region · 3442 days ago · 535 km deep · 49 km away
  15. 4.4Fiji region · 3435 days ago · 605 km deep · 54 km away
  16. 4.4267 km WNW of Haveluloto, Tonga · 3435 days ago · 562 km deep · 30 km away
  17. 4.1279 km WNW of Haveluloto, Tonga · 3428 days ago · 548 km deep · 52 km away

Before

  1. 4.3273 km WNW of Haveluloto, Tonga · 3490 days ago · 557 km deep · 23 km away
  2. 4.2Fiji region · 3493 days ago · 501 km deep · 92 km away
  3. 4.4Fiji region · 3493 days ago · 613 km deep · 81 km away
  4. 4.3Fiji region · 3494 days ago · 440 km deep · 59 km away
  5. 4.9Fiji region · 3497 days ago · 586 km deep · 77 km away
  6. 4.2Fiji region · 3504 days ago · 529 km deep · 26 km away
  7. 4.3Fiji region · 3508 days ago · 426 km deep · 75 km away
  8. 4.5Fiji region · 3509 days ago · 545 km deep · 65 km away
  9. 4.4283 km WNW of Haveluloto, Tonga · 3509 days ago · 513 km deep · 13 km away
  10. 4.2Fiji region · 3510 days ago · 548 km deep · 30 km away
  11. 4.1Fiji region · 3510 days ago · 451 km deep · 46 km away
  12. 4.4Fiji region · 3511 days ago · 571 km deep · 88 km away
  13. 4.3236 km WNW of Haveluloto, Tonga · 3511 days ago · 527 km deep · 47 km away
  14. 4.5267 km WNW of Haveluloto, Tonga · 3516 days ago · 386 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20008trn. Read Thu, Oct 1, 2026, 5:25 AM UTC.