Tonga earthquakes

M4.9 earthquake 111 km ESE of Pangai, Tonga

A magnitude 4.9 earthquake struck 111 km ESE of Pangai, Tonga on Sun, Jul 9, 2017, 4:10 AM GMT+13 (15:10 UTC), 10 km (6 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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-07-08 15:10:14 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
20.124° S, 173.341° 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 8.1 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
75°
Stations used
70

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 14 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.6108 km ESE of Pangai, Tonga · 3370 days ago · 10 km deep · 8 km away
  2. 5.6112 km ESE of Pangai, Tonga · 3367 days ago · 16 km deep · 31 km away
  3. 5.7119 km ESE of Pangai, Tonga · 3367 days ago · 7 km deep · 28 km away
  4. 4.493 km ESE of Pangai, Tonga · 3363 days ago · 10 km deep · 25 km away
  5. 5.087 km ESE of Pangai, Tonga · 3360 days ago · 10 km deep · 25 km away
  6. 4.787 km SE of Pangai, Tonga · 3360 days ago · 10 km deep · 47 km away
  7. 4.5116 km SE of Pangai, Tonga · 3352 days ago · 10 km deep · 48 km away
  8. 5.4111 km E of Pangai, Tonga · 3349 days ago · 10 km deep · 24 km away · felt by 1
  9. 5.0121 km ESE of Pangai, Tonga · 3344 days ago · 10 km deep · 14 km away
  10. 4.4125 km E of Pangai, Tonga · 3338 days ago · 10 km deep · 49 km away
  11. 4.9Tonga · 3338 days ago · 10 km deep · 69 km away
  12. 4.6137 km SE of Neiafu, Tonga · 3329 days ago · 10 km deep · 84 km away
  13. 4.7151 km ESE of Pangai, Tonga · 3328 days ago · 10 km deep · 41 km away
  14. 4.6135 km ESE of Pangai, Tonga · 3318 days ago · 10 km deep · 24 km away

Before

  1. 4.4132 km ESE of Pangai, Tonga · 3381 days ago · 35 km deep · 39 km away
  2. 4.279 km SE of Pangai, Tonga · 3386 days ago · 35 km deep · 67 km away
  3. 4.6112 km SE of Pangai, Tonga · 3386 days ago · 10 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10009868. Read Sun, Oct 4, 2026, 11:49 PM UTC.