Tonga earthquakes

M4.2 earthquake 287 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 287 km WNW of Haveluloto, Tonga on Sat, May 30, 2015, 8:32 AM GMT+13 (19:32 UTC), 520 km (323 mi) below the surface.

A larger quake followed: M6.0 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-05-29 19:32:00 UTC
Depth
519.6 km (322.9 mi), deep
Epicenter
20.159° S, 177.765° 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 16.6 km horizontally, 9.2 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
123°
Stations used
34

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 13 in the 30 days before it.

After

  1. 4.2Fiji region · 4142 days ago · 538 km deep · 54 km away
  2. 4.3Fiji region · 4141 days ago · 295 km deep · 85 km away
  3. 4.4282 km WNW of Haveluloto, Tonga · 4135 days ago · 550 km deep · 9 km away
  4. 4.6Fiji region · 4134 days ago · 578 km deep · 60 km away
  5. 4.3262 km WNW of Haveluloto, Tonga · 4133 days ago · 526 km deep · 33 km away
  6. 4.1267 km WNW of Haveluloto, Tonga · 4133 days ago · 492 km deep · 22 km away
  7. 4.3Fiji region · 4131 days ago · 572 km deep · 57 km away
  8. 4.4Fiji region · 4131 days ago · 592 km deep · 59 km away
  9. 4.0Fiji region · 4129 days ago · 453 km deep · 2 km away
  10. 6.0Fiji region · 4122 days ago · 563 km deep · 66 km away · tsunami flag
  11. 4.3Fiji region · 4117 days ago · 588 km deep · 48 km away
  12. 4.0Fiji region · 4115 days ago · 445 km deep · 54 km away
  13. 4.5Fiji region · 4114 days ago · 553 km deep · 72 km away
  14. 4.3294 km WNW of Haveluloto, Tonga · 4114 days ago · 464 km deep · 46 km away
  15. 4.3241 km WNW of Haveluloto, Tonga · 4113 days ago · 526 km deep · 47 km away
  16. 4.1294 km WNW of Haveluloto, Tonga · 4112 days ago · 558 km deep · 53 km away
  17. 4.2271 km W of Haveluloto, Tonga · 4109 days ago · 484 km deep · 92 km away
  18. 4.4277 km WNW of Haveluloto, Tonga · 4106 days ago · 487 km deep · 10 km away
  19. 4.2Fiji region · 4102 days ago · 566 km deep · 53 km away
  20. 4.6Fiji region · 4099 days ago · 569 km deep · 31 km away
  21. 4.1266 km WNW of Haveluloto, Tonga · 4098 days ago · 530 km deep · 40 km away
  22. 4.1Fiji region · 4092 days ago · 497 km deep · 92 km away

Before

  1. 4.2Fiji region · 4147 days ago · 608 km deep · 75 km away
  2. 4.2283 km WNW of Haveluloto, Tonga · 4148 days ago · 477 km deep · 19 km away
  3. 4.3284 km WNW of Haveluloto, Tonga · 4150 days ago · 564 km deep · 17 km away
  4. 4.2Fiji region · 4150 days ago · 600 km deep · 83 km away
  5. 4.3Fiji region · 4154 days ago · 424 km deep · 61 km away
  6. 4.6Fiji region · 4155 days ago · 554 km deep · 27 km away
  7. 4.0Fiji region · 4156 days ago · 514 km deep · 94 km away
  8. 4.6278 km NW of Nuku‘alofa, Tonga · 4156 days ago · 558 km deep · 92 km away
  9. 4.2261 km WNW of Haveluloto, Tonga · 4157 days ago · 451 km deep · 46 km away
  10. 4.0Fiji region · 4164 days ago · 471 km deep · 94 km away
  11. 4.1297 km WNW of Haveluloto, Tonga · 4170 days ago · 415 km deep · 53 km away
  12. 4.0Fiji region · 4170 days ago · 594 km deep · 71 km away
  13. 4.2294 km WNW of Haveluloto, Tonga · 4172 days ago · 537 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20002n8z. Read Sat, Oct 3, 2026, 9:23 AM UTC.