Tonga earthquakes

M4.5 earthquake 272 km WNW of Haveluloto, Tonga

A magnitude 4.5 earthquake struck 272 km WNW of Haveluloto, Tonga on Sat, Oct 17, 2015, 2:51 PM GMT+13 (01:51 UTC), 538 km (334 mi) below the surface.

A larger quake followed: M4.9 296 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-10-17 01:51:19 UTC
Depth
538.2 km (334.4 mi), deep
Epicenter
20.590° S, 177.761° 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 12.9 km horizontally, 7.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
75°
Stations used
53

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.4251 km WNW of Haveluloto, Tonga · 4006 days ago · 486 km deep · 22 km away
  2. 4.4Fiji region · 4005 days ago · 500 km deep · 65 km away
  3. 4.0256 km WNW of Haveluloto, Tonga · 3999 days ago · 568 km deep · 58 km away
  4. 4.3Fiji region · 3995 days ago · 576 km deep · 66 km away
  5. 4.3287 km WNW of Haveluloto, Tonga · 3995 days ago · 558 km deep · 97 km away
  6. 4.8Fiji region · 3989 days ago · 600 km deep · 87 km away
  7. 4.6243 km W of Haveluloto, Tonga · 3987 days ago · 388 km deep · 67 km away
  8. 4.6260 km WNW of Haveluloto, Tonga · 3981 days ago · 348 km deep · 75 km away
  9. 4.2282 km WNW of Haveluloto, Tonga · 3981 days ago · 519 km deep · 16 km away
  10. 4.6Fiji region · 3980 days ago · 495 km deep · 27 km away
  11. 4.5Fiji region · 3976 days ago · 587 km deep · 99 km away
  12. 4.3285 km W of Haveluloto, Tonga · 3974 days ago · 396 km deep · 94 km away
  13. 4.6290 km WNW of Haveluloto, Tonga · 3970 days ago · 547 km deep · 60 km away
  14. 4.4278 km WNW of Haveluloto, Tonga · 3968 days ago · 497 km deep · 25 km away
  15. 4.3261 km WNW of Haveluloto, Tonga · 3968 days ago · 510 km deep · 49 km away
  16. 4.9296 km WNW of Haveluloto, Tonga · 3966 days ago · 545 km deep · 25 km away
  17. 4.3287 km W of Haveluloto, Tonga · 3964 days ago · 518 km deep · 26 km away
  18. 4.1Fiji region · 3962 days ago · 597 km deep · 96 km away
  19. 4.1271 km WNW of Haveluloto, Tonga · 3962 days ago · 415 km deep · 5 km away
  20. 4.4Fiji region · 3958 days ago · 587 km deep · 84 km away
  21. 4.2287 km WNW of Haveluloto, Tonga · 3957 days ago · 521 km deep · 28 km away
  22. 4.0224 km WNW of Haveluloto, Tonga · 3949 days ago · 468 km deep · 54 km away

Before

  1. 4.3Fiji region · 4009 days ago · 556 km deep · 63 km away
  2. 4.0Fiji region · 4010 days ago · 557 km deep · 96 km away
  3. 4.4254 km WNW of Haveluloto, Tonga · 4011 days ago · 487 km deep · 35 km away
  4. 4.3Fiji region · 4011 days ago · 576 km deep · 52 km away
  5. 4.2Fiji region · 4013 days ago · 606 km deep · 53 km away
  6. 4.5260 km WNW of Haveluloto, Tonga · 4017 days ago · 501 km deep · 36 km away
  7. 4.4Fiji region · 4026 days ago · 587 km deep · 91 km away
  8. 4.3256 km WNW of Haveluloto, Tonga · 4027 days ago · 502 km deep · 51 km away
  9. 4.4Fiji region · 4029 days ago · 588 km deep · 89 km away
  10. 4.2Fiji region · 4030 days ago · 581 km deep · 82 km away
  11. 4.4Fiji region · 4032 days ago · 598 km deep · 98 km away
  12. 4.3Fiji region · 4035 days ago · 514 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003pai. Read Mon, Oct 5, 2026, 9:34 AM UTC.