Tonga earthquakes

M4.9 earthquake 60 km ESE of Pangai, Tonga

A magnitude 4.9 earthquake struck 60 km ESE of Pangai, Tonga on Fri, Jun 2, 2006, 11:31 AM GMT+13 (22:31 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M5.6 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
4.9 (Mwc, centroid moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-06-01 22:31:29 UTC
Depth
45.0 km (28.0 mi), shallow
Epicenter
20.068° S, 173.844° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
4.9Mwc, centroid momentUSGS National Earthquake Information CenterPreferred · Reviewed
4.9Mwc, centroid momentGlobal CMT projectPreliminary

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 usp000ejg6. 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Normal
Nodal plane 1
Strike 204°, dip 35°, rake -108°
Nodal plane 2
Strike 46°, dip 57°, rake -78°

How well it is located

Reviewed by a seismologist.

Depth from
CONSTRAINED_BY_DEPTH_PHASES
Station coverage gap
61°
Stations used
102

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 32 in the 60 days after this one and 132 in the 30 days before it.

After

  1. 5.168 km ESE of Pangai, Tonga · 7430 days ago · 35 km deep · 10 km away
  2. 5.260 km ESE of Pangai, Tonga · 7430 days ago · 30 km deep · 0 km away
  3. 4.754 km ESE of Pangai, Tonga · 7429 days ago · 38 km deep · 9 km away
  4. 4.266 km NE of Pangai, Tonga · 7429 days ago · 165 km deep · 67 km away
  5. 5.1104 km ENE of ‘Ohonua, Tonga · 7428 days ago · 13 km deep · 94 km away
  6. 5.280 km S of Pangai, Tonga · 7428 days ago · 38 km deep · 75 km away
  7. 4.966 km ESE of Pangai, Tonga · 7427 days ago · 51 km deep · 7 km away
  8. 4.663 km S of Pangai, Tonga · 7426 days ago · 27 km deep · 54 km away
  9. 4.580 km ENE of Kolonga, Tonga · 7425 days ago · 10 km deep · 95 km away
  10. 4.7Tonga · 7424 days ago · 15 km deep · 83 km away
  11. 4.697 km SSE of Pangai, Tonga · 7424 days ago · 44 km deep · 72 km away
  12. 4.686 km SSE of Pangai, Tonga · 7424 days ago · 15 km deep · 59 km away
  13. 4.0Tonga · 7424 days ago · 35 km deep · 42 km away
  14. 4.3Tonga · 7422 days ago · 10 km deep · 78 km away
  15. 4.926 km SSW of Pangai, Tonga · 7415 days ago · 38 km deep · 65 km away
  16. 4.019 km WSW of Pangai, Tonga · 7413 days ago · 25 km deep · 74 km away
  17. 4.532 km SSW of Pangai, Tonga · 7413 days ago · 15 km deep · 66 km away
  18. 4.647 km SSW of Pangai, Tonga · 7413 days ago · 50 km deep · 73 km away
  19. 4.939 km SSE of Pangai, Tonga · 7413 days ago · 35 km deep · 34 km away
  20. 4.834 km E of Pangai, Tonga · 7412 days ago · 10 km deep · 29 km away
  21. 4.338 km S of Pangai, Tonga · 7407 days ago · 35 km deep · 50 km away
  22. 4.222 km SSE of Pangai, Tonga · 7405 days ago · 36 km deep · 43 km away
  23. 5.0100 km SSE of Pangai, Tonga · 7403 days ago · 15 km deep · 68 km away
  24. 4.696 km SSE of Pangai, Tonga · 7398 days ago · 35 km deep · 63 km away
  25. 4.665 km E of Pangai, Tonga · 7397 days ago · 10 km deep · 31 km away
  26. 5.6Tonga · 7397 days ago · 26 km deep · 63 km away
  27. 4.2113 km SSE of Pangai, Tonga · 7388 days ago · 35 km deep · 82 km away
  28. 4.751 km E of Pangai, Tonga · 7388 days ago · 19 km deep · 37 km away
  29. 4.121 km NNW of Pangai, Tonga · 7387 days ago · 35 km deep · 77 km away
  30. 4.6104 km ESE of Pangai, Tonga · 7386 days ago · 8 km deep · 45 km away
  31. 4.933 km W of Pangai, Tonga · 7385 days ago · 25 km deep · 93 km away
  32. 4.8146 km SE of Pangai, Tonga · 7376 days ago · 35 km deep · 89 km away

Before

  1. 4.7104 km SSE of Neiafu, Tonga · 7431 days ago · 9 km deep · 82 km away
  2. 5.721 km WSW of Pangai, Tonga · 7435 days ago · 49 km deep · 75 km away
  3. 4.535 km ESE of Pangai, Tonga · 7435 days ago · 35 km deep · 27 km away
  4. 4.957 km SE of Pangai, Tonga · 7435 days ago · 35 km deep · 29 km away
  5. 5.2105 km ENE of ‘Ohonua, Tonga · 7436 days ago · 17 km deep · 90 km away
  6. 4.883 km SSE of Pangai, Tonga · 7440 days ago · 17 km deep · 63 km away
  7. 4.28 km WNW of Pangai, Tonga · 7442 days ago · 35 km deep · 69 km away
  8. 4.6105 km SSE of Pangai, Tonga · 7442 days ago · 33 km deep · 77 km away
  9. 4.8107 km ESE of Pangai, Tonga · 7442 days ago · 17 km deep · 48 km away
  10. 4.9Tonga · 7443 days ago · 37 km deep · 84 km away
  11. 4.9103 km ENE of Kolonga, Tonga · 7443 days ago · 15 km deep · 85 km away
  12. 4.797 km SSE of Pangai, Tonga · 7443 days ago · 15 km deep · 76 km away
  13. 4.957 km S of Pangai, Tonga · 7443 days ago · 15 km deep · 61 km away
  14. 4.814 km SSE of Pangai, Tonga · 7443 days ago · 35 km deep · 48 km away
  15. 4.735 km W of Pangai, Tonga · 7443 days ago · 25 km deep · 91 km away
  16. 4.615 km E of Pangai, Tonga · 7444 days ago · 25 km deep · 48 km away
  17. 4.272 km S of Pangai, Tonga · 7444 days ago · 35 km deep · 62 km away
  18. 4.736 km WNW of Pangai, Tonga · 7444 days ago · 25 km deep · 97 km away
  19. 4.786 km SSE of Pangai, Tonga · 7445 days ago · 24 km deep · 62 km away
  20. 4.585 km SSE of Pangai, Tonga · 7445 days ago · 15 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000ejg6 (also filed as gcmtc200606012231a, gcmt20060601223129). Read Sun, Oct 4, 2026, 7:04 PM UTC.