Tonga earthquakes

M4.8 earthquake 271 km SSW of ‘Ohonua, Tonga

A magnitude 4.8 earthquake struck 271 km SSW of ‘Ohonua, Tonga on Tue, Dec 21, 1982, 6:41 AM GMT+13 (17:41 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M6.3 265 km SSW of ‘Ohonua, 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), light
Local time
UTC
1982-12-20 17:41:11 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
23.583° S, 175.997° 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.

Depth from
OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 26 in the 60 days after this one and 31 in the 30 days before it.

After

  1. 5.2291 km SSW of ‘Ohonua, Tonga · 15990 days ago · 33 km deep · 41 km away
  2. 6.3265 km SSW of ‘Ohonua, Tonga · 15990 days ago · 33 km deep · 7 km away
  3. 5.8278 km SSW of ‘Ohonua, Tonga · 15990 days ago · 33 km deep · 30 km away
  4. 5.5249 km S of ‘Ohonua, Tonga · 15990 days ago · 33 km deep · 97 km away
  5. 5.2south of Tonga · 15990 days ago · 33 km deep · 95 km away
  6. 5.1258 km SSW of ‘Ohonua, Tonga · 15990 days ago · 33 km deep · 39 km away
  7. 5.4264 km SSW of ‘Ohonua, Tonga · 15989 days ago · 42 km deep · 52 km away
  8. 5.2268 km S of ‘Ohonua, Tonga · 15989 days ago · 33 km deep · 80 km away
  9. 4.7284 km SSW of ‘Ohonua, Tonga · 15989 days ago · 33 km deep · 58 km away
  10. 5.6south of the Fiji Islands · 15988 days ago · 48 km deep · 98 km away
  11. 5.4Tonga region · 15988 days ago · 33 km deep · 35 km away
  12. 5.3268 km S of ‘Ohonua, Tonga · 15988 days ago · 33 km deep · 64 km away
  13. 5.1south of the Fiji Islands · 15988 days ago · 33 km deep · 62 km away
  14. 5.1177 km SSW of ‘Ohonua, Tonga · 15988 days ago · 33 km deep · 94 km away
  15. 5.2296 km SSW of ‘Ohonua, Tonga · 15988 days ago · 33 km deep · 63 km away
  16. 5.5259 km SSW of ‘Ohonua, Tonga · 15988 days ago · 33 km deep · 50 km away
  17. 4.8south of Tonga · 15987 days ago · 33 km deep · 76 km away
  18. 5.1south of the Fiji Islands · 15987 days ago · 33 km deep · 98 km away
  19. 5.2250 km S of ‘Ohonua, Tonga · 15987 days ago · 33 km deep · 69 km away
  20. 5.1298 km S of ‘Ohonua, Tonga · 15985 days ago · 33 km deep · 96 km away
  21. 5.1260 km SSW of ‘Ohonua, Tonga · 15985 days ago · 33 km deep · 54 km away
  22. 5.6268 km SSW of ‘Ohonua, Tonga · 15982 days ago · 33 km deep · 43 km away
  23. 5.0235 km SSW of ‘Ohonua, Tonga · 15980 days ago · 33 km deep · 59 km away
  24. 4.7265 km SSW of ‘Ohonua, Tonga · 15965 days ago · 33 km deep · 13 km away
  25. 5.1299 km SSW of ‘Ohonua, Tonga · 15959 days ago · 60 km deep · 42 km away
  26. 5.1south of Tonga · 15935 days ago · 33 km deep · 85 km away

Before

  1. 4.8222 km SW of ‘Ohonua, Tonga · 15991 days ago · 33 km deep · 69 km away
  2. 5.4257 km SSW of ‘Ohonua, Tonga · 15991 days ago · 33 km deep · 44 km away
  3. 4.9295 km SSW of ‘Ohonua, Tonga · 15991 days ago · 33 km deep · 45 km away
  4. 5.1275 km SSW of ‘Ohonua, Tonga · 15991 days ago · 33 km deep · 54 km away
  5. 6.3284 km SSW of ‘Ohonua, Tonga · 15991 days ago · 32 km deep · 16 km away
  6. 6.0south of Tonga · 15991 days ago · 33 km deep · 74 km away
  7. 5.2south of Tonga · 15991 days ago · 33 km deep · 90 km away
  8. 5.5south of Tonga · 15991 days ago · 62 km deep · 92 km away
  9. 5.0284 km SSW of ‘Ohonua, Tonga · 15991 days ago · 33 km deep · 22 km away
  10. 5.2Tonga region · 15991 days ago · 33 km deep · 62 km away
  11. 5.5288 km SSW of ‘Ohonua, Tonga · 15991 days ago · 33 km deep · 61 km away
  12. 5.4283 km SSW of ‘Ohonua, Tonga · 15991 days ago · 39 km deep · 46 km away
  13. 4.9south of Tonga · 15991 days ago · 33 km deep · 82 km away
  14. 5.2239 km SSW of ‘Ohonua, Tonga · 15991 days ago · 33 km deep · 54 km away
  15. 5.4south of Tonga · 15991 days ago · 33 km deep · 67 km away
  16. 5.4south of Tonga · 15991 days ago · 33 km deep · 97 km away
  17. 5.6286 km SSW of ‘Ohonua, Tonga · 15991 days ago · 33 km deep · 44 km away
  18. 5.5south of the Fiji Islands · 15991 days ago · 33 km deep · 86 km away
  19. 7.2south of Tonga · 15991 days ago · 33 km deep · 63 km away
  20. 5.7south of Tonga · 15992 days ago · 33 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001rkk. Read Thu, Oct 1, 2026, 2:02 AM UTC.