Tonga earthquakes

M4.3 earthquake 166 km ESE of Neiafu, Tonga

A magnitude 4.3 earthquake struck 166 km ESE of Neiafu, Tonga on Sat, Apr 18, 2020, 4:34 PM GMT+13 (03:34 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.0 120 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-04-18 03:34:21 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
19.018° S, 172.456° 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 5.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.27
Depth from
Operator assigned
Station coverage gap
152°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 4.6185 km ESE of Neiafu, Tonga · 2357 days ago · 10 km deep · 58 km away
  2. 4.5198 km E of Pangai, Tonga · 2357 days ago · 10 km deep · 90 km away
  3. 4.7198 km ESE of Neiafu, Tonga · 2356 days ago · 10 km deep · 62 km away
  4. 5.0120 km ESE of Neiafu, Tonga · 2352 days ago · 10 km deep · 50 km away
  5. 4.7156 km ESE of Neiafu, Tonga · 2348 days ago · 10 km deep · 51 km away
  6. 4.7Tonga · 2347 days ago · 10 km deep · 89 km away
  7. 4.6136 km SE of Neiafu, Tonga · 2333 days ago · 10 km deep · 62 km away
  8. 4.9126 km ESE of Neiafu, Tonga · 2327 days ago · 10 km deep · 45 km away
  9. 4.8178 km ESE of Neiafu, Tonga · 2322 days ago · 10 km deep · 13 km away

Before

  1. 4.7171 km ESE of Neiafu, Tonga · 2357 days ago · 10 km deep · 12 km away
  2. 4.9145 km ESE of Neiafu, Tonga · 2360 days ago · 10 km deep · 46 km away
  3. 4.4146 km ESE of Neiafu, Tonga · 2360 days ago · 10 km deep · 28 km away
  4. 4.7154 km ESE of Neiafu, Tonga · 2363 days ago · 10 km deep · 34 km away
  5. 4.5172 km E of Pangai, Tonga · 2363 days ago · 10 km deep · 86 km away
  6. 4.5148 km ESE of Neiafu, Tonga · 2363 days ago · 10 km deep · 46 km away
  7. 4.6148 km ESE of Neiafu, Tonga · 2363 days ago · 14 km deep · 51 km away
  8. 4.2160 km ESE of Neiafu, Tonga · 2363 days ago · 10 km deep · 48 km away
  9. 4.8159 km SE of Neiafu, Tonga · 2363 days ago · 10 km deep · 66 km away
  10. 5.2129 km SE of Neiafu, Tonga · 2363 days ago · 34 km deep · 76 km away
  11. 5.1113 km SE of Neiafu, Tonga · 2371 days ago · 10 km deep · 94 km away
  12. 4.6151 km SE of Neiafu, Tonga · 2372 days ago · 10 km deep · 78 km away
  13. 4.7175 km E of Neiafu, Tonga · 2381 days ago · 10 km deep · 65 km away
  14. 4.4147 km ESE of Neiafu, Tonga · 2382 days ago · 10 km deep · 46 km away
  15. 4.7131 km ESE of Neiafu, Tonga · 2386 days ago · 10 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60009bdk. Read Thu, Oct 1, 2026, 5:24 AM UTC.