Tonga earthquakes

M4.2 earthquake 276 km NW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 276 km NW of Haveluloto, Tonga on Tue, Apr 18, 2006, 4:22 AM GMT+13 (15:22 UTC), 555 km (345 mi) below the surface.

A larger quake followed: M4.9 273 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-04-17 15:22:04 UTC
Depth
554.8 km (344.7 mi), deep
Epicenter
19.669° S, 177.341° 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 usp000eese. 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
140°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 4.3Fiji region · 7470 days ago · 615 km deep · 78 km away
  2. 4.3Fiji region · 7469 days ago · 569 km deep · 52 km away
  3. 4.9273 km WNW of Haveluloto, Tonga · 7468 days ago · 492 km deep · 65 km away
  4. 3.9256 km WNW of Haveluloto, Tonga · 7465 days ago · 538 km deep · 84 km away
  5. 4.2Fiji region · 7465 days ago · 554 km deep · 41 km away
  6. 4.3293 km WNW of Haveluloto, Tonga · 7462 days ago · 546 km deep · 53 km away
  7. 4.5Fiji region · 7454 days ago · 571 km deep · 93 km away
  8. 4.8291 km NW of Nuku‘alofa, Tonga · 7450 days ago · 377 km deep · 27 km away
  9. 4.1Fiji region · 7448 days ago · 555 km deep · 59 km away
  10. 4.1268 km WNW of Haveluloto, Tonga · 7447 days ago · 460 km deep · 82 km away
  11. 4.7271 km WNW of Haveluloto, Tonga · 7439 days ago · 405 km deep · 90 km away
  12. 4.7Fiji region · 7438 days ago · 427 km deep · 74 km away
  13. 4.1267 km WNW of Haveluloto, Tonga · 7437 days ago · 464 km deep · 72 km away
  14. 4.1260 km NW of Haveluloto, Tonga · 7432 days ago · 600 km deep · 16 km away
  15. 4.1290 km WNW of Haveluloto, Tonga · 7425 days ago · 600 km deep · 80 km away

Before

  1. 4.6Fiji region · 7475 days ago · 537 km deep · 98 km away
  2. 4.4262 km WNW of Haveluloto, Tonga · 7475 days ago · 550 km deep · 23 km away
  3. 4.0Fiji region · 7478 days ago · 551 km deep · 78 km away
  4. 4.6Fiji region · 7479 days ago · 562 km deep · 54 km away
  5. 3.8Fiji region · 7482 days ago · 570 km deep · 85 km away
  6. 3.6Fiji region · 7484 days ago · 350 km deep · 60 km away
  7. 3.9244 km WNW of Haveluloto, Tonga · 7492 days ago · 491 km deep · 79 km away
  8. 4.3Fiji region · 7495 days ago · 532 km deep · 89 km away
  9. 4.4278 km WNW of Haveluloto, Tonga · 7496 days ago · 500 km deep · 64 km away
  10. 4.2Fiji region · 7499 days ago · 421 km deep · 69 km away
  11. 4.8Fiji region · 7502 days ago · 591 km deep · 97 km away
  12. 4.1Fiji region · 7504 days ago · 543 km deep · 67 km away
  13. 4.1279 km WNW of Haveluloto, Tonga · 7505 days ago · 633 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000eese. Read Sun, Oct 4, 2026, 11:35 PM UTC.