Tonga earthquakes

M4.1 earthquake 262 km WNW of Haveluloto, Tonga

A magnitude 4.1 earthquake struck 262 km WNW of Haveluloto, Tonga on Tue, Aug 22, 2006, 9:01 PM GMT+13 (08:01 UTC), 544 km (338 mi) below the surface.

A larger quake followed: M4.5 183 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-08-22 08:01:16 UTC
Depth
543.6 km (337.8 mi), deep
Epicenter
20.034° S, 177.430° 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 usp000ergd. 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
150°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 3.9Fiji region · 7348 days ago · 600 km deep · 57 km away
  2. 4.4280 km WNW of Haveluloto, Tonga · 7347 days ago · 473 km deep · 27 km away
  3. 4.0Fiji region · 7346 days ago · 553 km deep · 39 km away
  4. 4.0Fiji region · 7346 days ago · 650 km deep · 86 km away
  5. 4.1297 km NW of Haveluloto, Tonga · 7342 days ago · 502 km deep · 44 km away
  6. 4.2278 km WNW of Haveluloto, Tonga · 7334 days ago · 528 km deep · 21 km away
  7. 3.9Fiji region · 7330 days ago · 489 km deep · 77 km away
  8. 4.4208 km WNW of Haveluloto, Tonga · 7327 days ago · 290 km deep · 73 km away
  9. 4.5183 km WNW of Haveluloto, Tonga · 7316 days ago · 100 km deep · 79 km away
  10. 3.5287 km WNW of Haveluloto, Tonga · 7301 days ago · 500 km deep · 31 km away
  11. 4.5291 km WNW of Haveluloto, Tonga · 7294 days ago · 539 km deep · 46 km away
  12. 3.9Fiji region · 7294 days ago · 569 km deep · 80 km away
  13. 4.5243 km NW of Nuku‘alofa, Tonga · 7293 days ago · 548 km deep · 87 km away

Before

  1. 4.5Fiji region · 7351 days ago · 543 km deep · 88 km away
  2. 4.1Fiji region · 7354 days ago · 627 km deep · 84 km away
  3. 3.6297 km W of Haveluloto, Tonga · 7357 days ago · 351 km deep · 94 km away
  4. 4.0Fiji region · 7358 days ago · 497 km deep · 79 km away
  5. 4.2Fiji region · 7358 days ago · 559 km deep · 73 km away
  6. 4.0Fiji region · 7359 days ago · 535 km deep · 75 km away
  7. 4.3Fiji region · 7361 days ago · 382 km deep · 74 km away
  8. 4.6Fiji region · 7366 days ago · 559 km deep · 91 km away
  9. 4.3291 km WNW of Haveluloto, Tonga · 7367 days ago · 569 km deep · 51 km away
  10. 4.2Fiji region · 7370 days ago · 508 km deep · 75 km away
  11. 3.6294 km NW of Nuku‘alofa, Tonga · 7371 days ago · 552 km deep · 71 km away
  12. 4.0Fiji region · 7377 days ago · 543 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000ergd. Read Sun, Oct 4, 2026, 12:34 PM UTC.