Tonga earthquakes

M3.9 earthquake 69 km NW of Pangai, Tonga

A magnitude 3.9 earthquake struck 69 km NW of Pangai, Tonga on Thu, May 18, 2006, 1:06 PM GMT+13 (00:06 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.7 21 km WSW of Pangai, 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
3.9 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2006-05-18 00:06:01 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
19.314° S, 174.749° 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 usp000ehcd. 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.

Depth from
OPERATOR_ASSIGNED
Station coverage gap
152°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 4.736 km WNW of Pangai, Tonga · 7444 days ago · 25 km deep · 42 km away
  2. 4.615 km E of Pangai, Tonga · 7444 days ago · 25 km deep · 79 km away
  3. 4.735 km W of Pangai, Tonga · 7443 days ago · 25 km deep · 60 km away
  4. 4.814 km SSE of Pangai, Tonga · 7443 days ago · 35 km deep · 84 km away
  5. 4.28 km WNW of Pangai, Tonga · 7442 days ago · 35 km deep · 62 km away
  6. 4.535 km ESE of Pangai, Tonga · 7435 days ago · 35 km deep · 100 km away
  7. 5.721 km WSW of Pangai, Tonga · 7435 days ago · 49 km deep · 70 km away
  8. 4.8Tonga · 7435 days ago · 130 km deep · 99 km away
  9. 4.686 km NNW of Pangai, Tonga · 7433 days ago · 35 km deep · 19 km away
  10. 5.2126 km W of Neiafu, Tonga · 7433 days ago · 155 km deep · 66 km away
  11. 4.266 km NE of Pangai, Tonga · 7429 days ago · 165 km deep · 97 km away
  12. 4.926 km SSW of Pangai, Tonga · 7415 days ago · 38 km deep · 85 km away
  13. 3.841 km WNW of Pangai, Tonga · 7414 days ago · 42 km deep · 38 km away
  14. 4.019 km WSW of Pangai, Tonga · 7414 days ago · 25 km deep · 69 km away
  15. 4.532 km SSW of Pangai, Tonga · 7413 days ago · 15 km deep · 91 km away
  16. 4.834 km E of Pangai, Tonga · 7413 days ago · 10 km deep · 97 km away
  17. 4.361 km WNW of Neiafu, Tonga · 7412 days ago · 170 km deep · 94 km away
  18. 4.8111 km W of Pangai, Tonga · 7409 days ago · 117 km deep · 89 km away
  19. 4.222 km SSE of Pangai, Tonga · 7406 days ago · 36 km deep · 92 km away
  20. 4.687 km WSW of Neiafu, Tonga · 7403 days ago · 131 km deep · 51 km away
  21. 4.121 km NNW of Pangai, Tonga · 7387 days ago · 35 km deep · 49 km away

Before

  1. 3.6Tonga · 7445 days ago · 35 km deep · 55 km away
  2. 4.626 km SW of Pangai, Tonga · 7445 days ago · 10 km deep · 78 km away
  3. 4.434 km W of Pangai, Tonga · 7446 days ago · 35 km deep · 58 km away
  4. 4.326 km WSW of Pangai, Tonga · 7446 days ago · 35 km deep · 67 km away
  5. 5.030 km WSW of Pangai, Tonga · 7447 days ago · 46 km deep · 68 km away
  6. 4.615 km NW of Pangai, Tonga · 7448 days ago · 35 km deep · 54 km away
  7. 5.040 km SW of Pangai, Tonga · 7449 days ago · 50 km deep · 88 km away
  8. 4.750 km WNW of Pangai, Tonga · 7450 days ago · 12 km deep · 34 km away
  9. 4.330 km SW of Pangai, Tonga · 7450 days ago · 35 km deep · 80 km away
  10. 5.03 km WSW of Pangai, Tonga · 7451 days ago · 23 km deep · 69 km away
  11. 5.127 km W of Pangai, Tonga · 7454 days ago · 27 km deep · 54 km away
  12. 4.721 km WSW of Pangai, Tonga · 7454 days ago · 10 km deep · 68 km away
  13. 4.220 km NNE of Pangai, Tonga · 7455 days ago · 25 km deep · 63 km away
  14. 5.119 km SSW of Pangai, Tonga · 7456 days ago · 35 km deep · 80 km away
  15. 4.927 km SE of Pangai, Tonga · 7456 days ago · 10 km deep · 97 km away
  16. 4.521 km WSW of Pangai, Tonga · 7456 days ago · 35 km deep · 66 km away
  17. 4.525 km SW of Pangai, Tonga · 7456 days ago · 35 km deep · 78 km away
  18. 4.6Tonga · 7456 days ago · 35 km deep · 86 km away
  19. 5.632 km S of Pangai, Tonga · 7456 days ago · 41 km deep · 95 km away
  20. 4.534 km E of Pangai, Tonga · 7456 days ago · 35 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000ehcd. Read Mon, Oct 5, 2026, 3:02 AM UTC.