Tonga earthquakes

M4.5 earthquake 41 km W of Pangai, Tonga

A magnitude 4.5 earthquake struck 41 km W of Pangai, Tonga on Wed, Aug 19, 2020, 11:47 PM GMT+13 (10:47 UTC), 63 km (39 mi) below the surface.

A larger quake followed: M6.4 39 km NE 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
4.5 (mb), light
Local time
UTC
2020-08-19 10:47:59 UTC
Depth
62.5 km (38.9 mi), shallow
Epicenter
19.751° S, 174.744° 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 4.8 km horizontally, 7.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
74°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 4.675 km WSW of Neiafu, Tonga · 2218 days ago · 94 km deep · 94 km away
  2. 4.3134 km WNW of Pangai, Tonga · 2218 days ago · 224 km deep · 94 km away
  3. 4.8130 km WNW of Pangai, Tonga · 2215 days ago · 207 km deep · 89 km away
  4. 4.1138 km WNW of Pangai, Tonga · 2197 days ago · 494 km deep · 98 km away
  5. 6.439 km NE of Pangai, Tonga · 2189 days ago · 28 km deep · 69 km away · felt by 9 · tsunami flag
  6. 4.459 km NE of Pangai, Tonga · 2189 days ago · 35 km deep · 88 km away
  7. 4.656 km N of Pangai, Tonga · 2189 days ago · 35 km deep · 70 km away
  8. 4.747 km NNE of Pangai, Tonga · 2189 days ago · 35 km deep · 69 km away
  9. 4.247 km NE of Pangai, Tonga · 2189 days ago · 35 km deep · 81 km away
  10. 4.634 km NE of Pangai, Tonga · 2189 days ago · 35 km deep · 69 km away
  11. 4.463 km SSW of Neiafu, Tonga · 2189 days ago · 27 km deep · 86 km away
  12. 4.458 km NNE of Pangai, Tonga · 2189 days ago · 35 km deep · 84 km away
  13. 4.661 km S of Neiafu, Tonga · 2189 days ago · 35 km deep · 98 km away
  14. 4.945 km NNE of Pangai, Tonga · 2188 days ago · 35 km deep · 68 km away · felt by 1
  15. 4.948 km NE of Pangai, Tonga · 2185 days ago · 35 km deep · 76 km away · felt by 1
  16. 4.464 km S of Neiafu, Tonga · 2183 days ago · 35 km deep · 92 km away
  17. 4.863 km NNE of Pangai, Tonga · 2181 days ago · 10 km deep · 78 km away
  18. 4.1Tonga · 2172 days ago · 23 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000bh1p. Read Tue, Sep 29, 2026, 6:59 AM UTC.