Tonga earthquakes

M4.2 earthquake 79 km SE of Pangai, Tonga

A magnitude 4.2 earthquake struck 79 km SE of Pangai, Tonga on Thu, Jun 29, 2017, 12:29 AM GMT+13 (11:29 UTC), 35 km (21 mi) below the surface.

A larger quake followed: M5.7 119 km ESE 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-06-28 11:29:25 UTC
Depth
34.5 km (21.5 mi), shallow
Epicenter
20.401° S, 173.914° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 11.9 km horizontally, 8.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
109°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.9129 km E of ‘Ohonua, Tonga · 3383 days ago · 10 km deep · 96 km away
  2. 4.4132 km ESE of Pangai, Tonga · 3381 days ago · 35 km deep · 64 km away
  3. 5.176 km ENE of Kolonga, Tonga · 3377 days ago · 35 km deep · 72 km away
  4. 4.9111 km ESE of Pangai, Tonga · 3375 days ago · 10 km deep · 67 km away
  5. 4.6108 km ESE of Pangai, Tonga · 3369 days ago · 10 km deep · 60 km away
  6. 5.6112 km ESE of Pangai, Tonga · 3367 days ago · 16 km deep · 47 km away
  7. 5.7119 km ESE of Pangai, Tonga · 3366 days ago · 7 km deep · 56 km away
  8. 4.9101 km ENE of ‘Ohonua, Tonga · 3364 days ago · 10 km deep · 53 km away
  9. 4.681 km E of ‘Ohonua, Tonga · 3362 days ago · 10 km deep · 95 km away
  10. 4.493 km ESE of Pangai, Tonga · 3362 days ago · 10 km deep · 43 km away
  11. 5.087 km ESE of Pangai, Tonga · 3359 days ago · 10 km deep · 49 km away
  12. 4.787 km SE of Pangai, Tonga · 3359 days ago · 10 km deep · 20 km away
  13. 4.5116 km SE of Pangai, Tonga · 3351 days ago · 10 km deep · 42 km away
  14. 5.4111 km E of Pangai, Tonga · 3348 days ago · 10 km deep · 84 km away · felt by 1
  15. 5.0121 km ESE of Pangai, Tonga · 3343 days ago · 10 km deep · 81 km away
  16. 4.9Tonga · 3338 days ago · 10 km deep · 37 km away
  17. 4.7151 km ESE of Pangai, Tonga · 3327 days ago · 10 km deep · 94 km away

Before

  1. 4.6112 km SE of Pangai, Tonga · 3385 days ago · 10 km deep · 35 km away
  2. 4.7128 km ENE of ‘Ohonua, Tonga · 3393 days ago · 10 km deep · 70 km away
  3. 4.8101 km E of Pangai, Tonga · 3411 days ago · 10 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100096w4. Read Sun, Oct 4, 2026, 6:40 AM UTC.