Tonga earthquakes

M4.3 earthquake 284 km WNW of Haveluloto, Tonga

A magnitude 4.3 earthquake struck 284 km WNW of Haveluloto, Tonga on Mon, Aug 24, 2015, 8:14 AM GMT+13 (19:14 UTC), 545 km (339 mi) below the surface.

A larger quake followed: M4.8 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-08-23 19:14:41 UTC
Depth
545.0 km (338.7 mi), deep
Epicenter
20.459° S, 177.844° 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 8.6 km horizontally, 6.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
107°
Stations used
46

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 8 in the 30 days before it.

After

  1. 4.7Fiji region · 4057 days ago · 591 km deep · 73 km away
  2. 4.3Fiji region · 4055 days ago · 585 km deep · 61 km away
  3. 4.4219 km W of Haveluloto, Tonga · 4049 days ago · 542 km deep · 85 km away
  4. 4.8Fiji region · 4045 days ago · 559 km deep · 46 km away
  5. 4.5282 km W of Haveluloto, Tonga · 4041 days ago · 483 km deep · 34 km away
  6. 4.2Fiji region · 4038 days ago · 591 km deep · 45 km away
  7. 4.7263 km WNW of Haveluloto, Tonga · 4037 days ago · 362 km deep · 36 km away
  8. 4.3Fiji region · 4033 days ago · 514 km deep · 80 km away
  9. 4.4Fiji region · 4030 days ago · 598 km deep · 84 km away
  10. 4.2Fiji region · 4028 days ago · 581 km deep · 76 km away
  11. 4.4Fiji region · 4027 days ago · 588 km deep · 88 km away
  12. 4.3256 km WNW of Haveluloto, Tonga · 4025 days ago · 502 km deep · 47 km away
  13. 4.4Fiji region · 4024 days ago · 587 km deep · 75 km away
  14. 4.5260 km WNW of Haveluloto, Tonga · 4015 days ago · 501 km deep · 33 km away
  15. 4.2Fiji region · 4011 days ago · 606 km deep · 46 km away
  16. 4.3Fiji region · 4009 days ago · 576 km deep · 52 km away
  17. 4.4254 km WNW of Haveluloto, Tonga · 4009 days ago · 487 km deep · 36 km away
  18. 4.0Fiji region · 4008 days ago · 557 km deep · 85 km away
  19. 4.3Fiji region · 4007 days ago · 556 km deep · 57 km away
  20. 4.5272 km WNW of Haveluloto, Tonga · 4004 days ago · 538 km deep · 17 km away
  21. 4.4251 km WNW of Haveluloto, Tonga · 4004 days ago · 486 km deep · 34 km away
  22. 4.4Fiji region · 4003 days ago · 500 km deep · 48 km away

Before

  1. 4.2Fiji region · 4061 days ago · 616 km deep · 81 km away
  2. 4.1Fiji region · 4063 days ago · 558 km deep · 39 km away
  3. 4.3281 km W of Haveluloto, Tonga · 4064 days ago · 479 km deep · 90 km away
  4. 4.1Fiji region · 4072 days ago · 543 km deep · 77 km away
  5. 4.1Fiji region · 4074 days ago · 561 km deep · 84 km away
  6. 4.5Fiji region · 4077 days ago · 579 km deep · 99 km away
  7. 4.7266 km WNW of Haveluloto, Tonga · 4078 days ago · 501 km deep · 50 km away
  8. 4.5Fiji region · 4087 days ago · 598 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100034ci. Read Sat, Oct 3, 2026, 11:17 AM UTC.