Tonga earthquakes

M5.0 earthquake 121 km ESE of Pangai, Tonga

A magnitude 5.0 earthquake struck 121 km ESE of Pangai, Tonga on Wed, Aug 9, 2017, 7:57 PM GMT+13 (06:57 UTC), 10 km (6 mi) below the surface.

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
5.0 (mb, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-08-09 06:57:55 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
20.061° S, 173.227° 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 9.2 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
74°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 10 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.4125 km E of Pangai, Tonga · 3338 days ago · 10 km deep · 39 km away
  2. 4.9Tonga · 3337 days ago · 10 km deep · 81 km away
  3. 4.6137 km SE of Neiafu, Tonga · 3328 days ago · 10 km deep · 73 km away
  4. 4.7151 km ESE of Pangai, Tonga · 3327 days ago · 10 km deep · 38 km away
  5. 4.6135 km ESE of Pangai, Tonga · 3317 days ago · 10 km deep · 20 km away
  6. 4.334 km E of Pangai, Tonga · 3309 days ago · 35 km deep · 90 km away
  7. 4.8112 km ESE of Pangai, Tonga · 3309 days ago · 10 km deep · 13 km away
  8. 4.5119 km E of Pangai, Tonga · 3303 days ago · 10 km deep · 24 km away
  9. 4.447 km ESE of Pangai, Tonga · 3302 days ago · 10 km deep · 75 km away
  10. 4.287 km SSE of Pangai, Tonga · 3292 days ago · 39 km deep · 97 km away

Before

  1. 5.4111 km E of Pangai, Tonga · 3348 days ago · 10 km deep · 18 km away · felt by 1
  2. 4.5116 km SE of Pangai, Tonga · 3351 days ago · 10 km deep · 60 km away
  3. 4.787 km SE of Pangai, Tonga · 3359 days ago · 10 km deep · 61 km away
  4. 5.087 km ESE of Pangai, Tonga · 3359 days ago · 10 km deep · 37 km away
  5. 4.493 km ESE of Pangai, Tonga · 3362 days ago · 10 km deep · 39 km away
  6. 5.7119 km ESE of Pangai, Tonga · 3366 days ago · 7 km deep · 38 km away
  7. 5.6112 km ESE of Pangai, Tonga · 3366 days ago · 16 km deep · 43 km away
  8. 4.6108 km ESE of Pangai, Tonga · 3369 days ago · 10 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000a69d. Read Sun, Oct 4, 2026, 12:24 AM UTC.