Tonga earthquakes

M4.2 earthquake 258 km WNW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 258 km WNW of Haveluloto, Tonga on Tue, Aug 19, 2008, 4:27 AM GMT+13 (15:27 UTC), 490 km (304 mi) below the surface.

A larger quake followed: M5.3 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
2008-08-18 15:27:44 UTC
Depth
489.6 km (304.2 mi), deep
Epicenter
20.562° S, 177.617° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for usp000geyk. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Station coverage gap
118°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.0281 km W of Haveluloto, Tonga · 6616 days ago · 466 km deep · 56 km away
  2. 3.7289 km WNW of Haveluloto, Tonga · 6615 days ago · 377 km deep · 64 km away
  3. 4.7Fiji region · 6597 days ago · 468 km deep · 97 km away
  4. 4.0280 km WNW of Haveluloto, Tonga · 6595 days ago · 550 km deep · 72 km away
  5. 4.7286 km WNW of Haveluloto, Tonga · 6593 days ago · 382 km deep · 40 km away
  6. 4.3293 km WNW of Haveluloto, Tonga · 6592 days ago · 553 km deep · 35 km away
  7. 4.5284 km WNW of Haveluloto, Tonga · 6591 days ago · 476 km deep · 55 km away
  8. 4.4284 km WNW of Haveluloto, Tonga · 6591 days ago · 474 km deep · 51 km away
  9. 4.3286 km WNW of Haveluloto, Tonga · 6589 days ago · 391 km deep · 31 km away
  10. 3.9279 km WNW of Haveluloto, Tonga · 6586 days ago · 467 km deep · 53 km away
  11. 4.4Fiji region · 6585 days ago · 546 km deep · 72 km away
  12. 4.5Fiji region · 6584 days ago · 556 km deep · 48 km away
  13. 3.9266 km WNW of Haveluloto, Tonga · 6583 days ago · 479 km deep · 38 km away
  14. 4.4Fiji region · 6581 days ago · 505 km deep · 70 km away
  15. 4.2Fiji region · 6577 days ago · 549 km deep · 65 km away
  16. 3.6273 km W of Haveluloto, Tonga · 6573 days ago · 542 km deep · 48 km away
  17. 4.4Fiji region · 6573 days ago · 537 km deep · 62 km away
  18. 4.4287 km W of Haveluloto, Tonga · 6566 days ago · 540 km deep · 39 km away
  19. 5.3Fiji region · 6564 days ago · 580 km deep · 80 km away
  20. 4.6Fiji region · 6564 days ago · 585 km deep · 76 km away

Before

  1. 4.3254 km WNW of Haveluloto, Tonga · 6620 days ago · 479 km deep · 35 km away
  2. 4.3Fiji region · 6621 days ago · 578 km deep · 91 km away
  3. 5.3226 km WNW of Haveluloto, Tonga · 6625 days ago · 338 km deep · 33 km away
  4. 4.6Fiji region · 6626 days ago · 544 km deep · 45 km away
  5. 4.0Fiji region · 6629 days ago · 521 km deep · 64 km away
  6. 4.4Fiji region · 6632 days ago · 577 km deep · 88 km away
  7. 4.7Fiji region · 6639 days ago · 424 km deep · 85 km away
  8. 4.2296 km W of Haveluloto, Tonga · 6640 days ago · 569 km deep · 64 km away
  9. 3.7260 km WNW of Haveluloto, Tonga · 6641 days ago · 473 km deep · 10 km away
  10. 3.6Fiji region · 6641 days ago · 596 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000geyk. Read Fri, Oct 2, 2026, 9:16 AM UTC.