Tonga earthquakes

M4.0 earthquake 49 km NNE of Hihifo, Tonga

A magnitude 4.0 earthquake struck 49 km NNE of Hihifo, Tonga on Fri, Oct 21, 2022, 10:02 PM GMT+13 (09:02 UTC), 63 km (39 mi) below the surface.

A larger quake followed: M6.8 109 km NE of Hihifo, Tonga. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-10-21 09:02:40 UTC
Depth
62.8 km (39.0 mi), shallow
Epicenter
15.565° S, 173.567° 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 10.8 km horizontally, 7.6 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
108°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.448 km N of Hihifo, Tonga · 1440 days ago · 35 km deep · 24 km away
  2. 4.7110 km NE of Hihifo, Tonga · 1439 days ago · 10 km deep · 61 km away · felt by 1
  3. 5.7107 km NNE of Hihifo, Tonga · 1439 days ago · 31 km deep · 58 km away · felt by 3
  4. 4.782 km WNW of Hihifo, Tonga · 1434 days ago · 221 km deep · 99 km away
  5. 5.4Samoa Islands region · 1433 days ago · 10 km deep · 86 km away
  6. 4.455 km ENE of Hihifo, Tonga · 1429 days ago · 35 km deep · 27 km away
  7. 4.7108 km NNE of Hihifo, Tonga · 1426 days ago · 10 km deep · 63 km away · felt by 1
  8. 4.556 km SE of Hihifo, Tonga · 1426 days ago · 48 km deep · 88 km away
  9. 4.541 km S of Hihifo, Tonga · 1424 days ago · 61 km deep · 89 km away
  10. 4.793 km ENE of Hihifo, Tonga · 1422 days ago · 10 km deep · 60 km away
  11. 4.3114 km NE of Hihifo, Tonga · 1420 days ago · 10 km deep · 66 km away
  12. 4.5Samoa Islands region · 1420 days ago · 10 km deep · 81 km away
  13. 4.9116 km E of Hihifo, Tonga · 1419 days ago · 10 km deep · 100 km away
  14. 4.3112 km N of Hihifo, Tonga · 1414 days ago · 51 km deep · 76 km away
  15. 4.6121 km ENE of Hihifo, Tonga · 1412 days ago · 22 km deep · 81 km away
  16. 4.4127 km N of Hihifo, Tonga · 1412 days ago · 10 km deep · 83 km away
  17. 4.339 km WSW of Hihifo, Tonga · 1404 days ago · 146 km deep · 84 km away
  18. 4.6126 km NNE of Hihifo, Tonga · 1399 days ago · 10 km deep · 77 km away
  19. 4.4118 km NNE of Hihifo, Tonga · 1398 days ago · 10 km deep · 70 km away
  20. 6.8109 km NE of Hihifo, Tonga · 1397 days ago · 38 km deep · 67 km away · felt by 19 · tsunami flag
  21. 5.0125 km NE of Hihifo, Tonga · 1397 days ago · 10 km deep · 76 km away
  22. 4.5119 km NNE of Hihifo, Tonga · 1397 days ago · 10 km deep · 70 km away
  23. 4.1122 km NNE of Hihifo, Tonga · 1397 days ago · 10 km deep · 73 km away
  24. 5.490 km NNW of Hihifo, Tonga · 1397 days ago · 151 km deep · 77 km away · felt by 1
  25. 5.6109 km NE of Hihifo, Tonga · 1396 days ago · 39 km deep · 62 km away · felt by 1
  26. 5.5Samoa Islands region · 1394 days ago · 10 km deep · 86 km away
  27. 4.3115 km NNE of Hihifo, Tonga · 1390 days ago · 10 km deep · 66 km away
  28. 4.3115 km N of Hihifo, Tonga · 1386 days ago · 10 km deep · 71 km away

Before

  1. 4.6Samoa Islands region · 1442 days ago · 10 km deep · 76 km away
  2. 4.564 km SSE of Hihifo, Tonga · 1445 days ago · 66 km deep · 99 km away
  3. 4.3102 km NNE of Hihifo, Tonga · 1451 days ago · 10 km deep · 56 km away
  4. 4.3121 km NNE of Hihifo, Tonga · 1456 days ago · 10 km deep · 72 km away
  5. 5.599 km NE of Hihifo, Tonga · 1456 days ago · 10 km deep · 51 km away
  6. 4.3101 km ENE of Hihifo, Tonga · 1463 days ago · 10 km deep · 73 km away
  7. 4.449 km SSE of Hihifo, Tonga · 1466 days ago · 68 km deep · 85 km away
  8. 4.5Tonga · 1466 days ago · 97 km deep · 19 km away
  9. 5.2115 km NNE of Hihifo, Tonga · 1470 days ago · 25 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iweh. Read Fri, Oct 2, 2026, 2:44 AM UTC.