Tonga earthquakes

M4.8 earthquake 140 km E of Pangai, Tonga

A magnitude 4.8 earthquake struck 140 km E of Pangai, Tonga on Tue, Feb 18, 2020, 12:37 AM GMT+13 (11:37 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 117 km ESE of Neiafu, 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
4.8 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-02-17 11:37:26 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
19.654° S, 173.027° 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 8.8 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
86°
Stations used
46

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 24 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.6120 km SE of Neiafu, Tonga · 2417 days ago · 10 km deep · 31 km away
  2. 5.7117 km ESE of Neiafu, Tonga · 2408 days ago · 10 km deep · 85 km away
  3. 5.1136 km SE of Neiafu, Tonga · 2407 days ago · 10 km deep · 24 km away
  4. 4.6127 km SE of Neiafu, Tonga · 2404 days ago · 10 km deep · 33 km away
  5. 4.7129 km ESE of Neiafu, Tonga · 2403 days ago · 10 km deep · 61 km away
  6. 4.6110 km SE of Neiafu, Tonga · 2397 days ago · 10 km deep · 47 km away
  7. 4.1177 km E of Pangai, Tonga · 2395 days ago · 10 km deep · 39 km away
  8. 5.2133 km SE of Neiafu, Tonga · 2395 days ago · 10 km deep · 37 km away
  9. 5.5127 km ESE of Neiafu, Tonga · 2394 days ago · 10 km deep · 63 km away
  10. 4.5189 km E of Pangai, Tonga · 2394 days ago · 10 km deep · 66 km away
  11. 4.7104 km ESE of Neiafu, Tonga · 2394 days ago · 10 km deep · 73 km away
  12. 4.7131 km ESE of Neiafu, Tonga · 2386 days ago · 10 km deep · 49 km away
  13. 4.4147 km ESE of Neiafu, Tonga · 2383 days ago · 10 km deep · 47 km away
  14. 4.6151 km SE of Neiafu, Tonga · 2372 days ago · 10 km deep · 15 km away
  15. 5.1113 km SE of Neiafu, Tonga · 2372 days ago · 10 km deep · 37 km away
  16. 5.2129 km SE of Neiafu, Tonga · 2364 days ago · 34 km deep · 27 km away
  17. 4.8159 km SE of Neiafu, Tonga · 2364 days ago · 10 km deep · 30 km away
  18. 4.2160 km ESE of Neiafu, Tonga · 2364 days ago · 10 km deep · 47 km away
  19. 4.6148 km ESE of Neiafu, Tonga · 2364 days ago · 14 km deep · 42 km away
  20. 4.5148 km ESE of Neiafu, Tonga · 2364 days ago · 10 km deep · 46 km away
  21. 4.5172 km E of Pangai, Tonga · 2364 days ago · 10 km deep · 35 km away
  22. 4.7154 km ESE of Neiafu, Tonga · 2363 days ago · 10 km deep · 59 km away
  23. 4.4146 km ESE of Neiafu, Tonga · 2360 days ago · 10 km deep · 67 km away
  24. 4.9145 km ESE of Neiafu, Tonga · 2360 days ago · 10 km deep · 48 km away

Before

  1. 4.8134 km ESE of Neiafu, Tonga · 2436 days ago · 10 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70007u9w. Read Fri, Oct 2, 2026, 12:11 AM UTC.