Tonga earthquakes

M4.6 earthquake 106 km ENE of Hihifo, Tonga

A magnitude 4.6 earthquake struck 106 km ENE of Hihifo, Tonga on Tue, Oct 31, 2017, 7:30 PM GMT+14 (05:30 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.8 97 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-10-31 05:30:40 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.508° S, 172.911° 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 6.5 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
107°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 29 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.683 km NE of Hihifo, Tonga · 3258 days ago · 10 km deep · 35 km away
  2. 4.4109 km NE of Hihifo, Tonga · 3258 days ago · 10 km deep · 22 km away
  3. 5.073 km ENE of Hihifo, Tonga · 3258 days ago · 10 km deep · 36 km away
  4. 5.0105 km NE of Hihifo, Tonga · 3258 days ago · 10 km deep · 28 km away
  5. 4.5Tonga · 3256 days ago · 10 km deep · 67 km away
  6. 6.897 km NE of Hihifo, Tonga · 3254 days ago · 10 km deep · 35 km away · felt by 35 · tsunami flag
  7. 4.2135 km NE of Hihifo, Tonga · 3254 days ago · 10 km deep · 53 km away
  8. 5.1145 km NE of Hihifo, Tonga · 3254 days ago · 10 km deep · 54 km away
  9. 4.2119 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 66 km away
  10. 5.0118 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 67 km away
  11. 5.698 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 64 km away · felt by 1
  12. 4.6124 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 66 km away
  13. 4.8110 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 71 km away
  14. 4.6117 km NE of Hihifo, Tonga · 3254 days ago · 10 km deep · 48 km away
  15. 4.682 km NE of Hihifo, Tonga · 3252 days ago · 10 km deep · 43 km away
  16. 5.487 km ENE of Hihifo, Tonga · 3252 days ago · 10 km deep · 20 km away · felt by 1
  17. 4.9102 km NNE of Hihifo, Tonga · 3245 days ago · 17 km deep · 69 km away
  18. 4.9164 km SSW of Matavai, Samoa · 3233 days ago · 21 km deep · 86 km away
  19. 4.6107 km NNE of Hihifo, Tonga · 3228 days ago · 10 km deep · 88 km away
  20. 4.560 km N of Hihifo, Tonga · 3222 days ago · 52 km deep · 97 km away
  21. 5.382 km NNE of Hihifo, Tonga · 3220 days ago · 10 km deep · 65 km away · felt by 1
  22. 4.997 km NE of Hihifo, Tonga · 3218 days ago · 11 km deep · 45 km away
  23. 4.9112 km NE of Hihifo, Tonga · 3216 days ago · 10 km deep · 25 km away
  24. 4.6111 km NE of Hihifo, Tonga · 3216 days ago · 10 km deep · 45 km away
  25. 4.9110 km NNE of Hihifo, Tonga · 3212 days ago · 10 km deep · 62 km away
  26. 4.7103 km NNE of Hihifo, Tonga · 3208 days ago · 10 km deep · 78 km away
  27. 5.1104 km ESE of Hihifo, Tonga · 3207 days ago · 10 km deep · 89 km away
  28. 5.5113 km NE of Hihifo, Tonga · 3204 days ago · 38 km deep · 16 km away
  29. 4.5126 km NE of Hihifo, Tonga · 3202 days ago · 35 km deep · 53 km away

Before

  1. 5.776 km NE of Hihifo, Tonga · 3258 days ago · 10 km deep · 38 km away
  2. 4.464 km ESE of Hihifo, Tonga · 3263 days ago · 10 km deep · 72 km away
  3. 4.4107 km NNE of Hihifo, Tonga · 3271 days ago · 29 km deep · 65 km away
  4. 4.873 km ESE of Hihifo, Tonga · 3272 days ago · 24 km deep · 93 km away
  5. 4.465 km N of Hihifo, Tonga · 3284 days ago · 10 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000bky3. Read Fri, Oct 2, 2026, 9:14 AM UTC.