Tonga earthquakes

M4.4 earthquake 107 km NNE of Hihifo, Tonga

A magnitude 4.4 earthquake struck 107 km NNE of Hihifo, Tonga on Thu, Oct 19, 2017, 12:55 AM GMT+14 (10:55 UTC), 29 km (18 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-10-18 10:55:47 UTC
Depth
28.9 km (18.0 mi), shallow
Epicenter
15.093° S, 173.334° 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 8.3 km horizontally, 6.2 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
146°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 5.776 km NE of Hihifo, Tonga · 3258 days ago · 10 km deep · 45 km away
  2. 4.6106 km ENE of Hihifo, Tonga · 3258 days ago · 10 km deep · 65 km away
  3. 4.683 km NE of Hihifo, Tonga · 3258 days ago · 10 km deep · 39 km away
  4. 4.4109 km NE of Hihifo, Tonga · 3258 days ago · 10 km deep · 44 km away
  5. 5.073 km ENE of Hihifo, Tonga · 3258 days ago · 10 km deep · 74 km away
  6. 5.0105 km NE of Hihifo, Tonga · 3258 days ago · 10 km deep · 37 km away
  7. 4.5Tonga · 3257 days ago · 10 km deep · 7 km away
  8. 6.897 km NE of Hihifo, Tonga · 3254 days ago · 10 km deep · 31 km away · felt by 35 · tsunami flag
  9. 4.2135 km NE of Hihifo, Tonga · 3254 days ago · 10 km deep · 40 km away
  10. 4.4136 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 39 km away
  11. 5.1145 km NE of Hihifo, Tonga · 3254 days ago · 10 km deep · 53 km away
  12. 4.2119 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 12 km away
  13. 5.0118 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 12 km away
  14. 5.698 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 9 km away · felt by 1
  15. 4.6124 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 18 km away
  16. 4.8110 km NNE of Hihifo, Tonga · 3254 days ago · 10 km deep · 6 km away
  17. 4.6117 km NE of Hihifo, Tonga · 3254 days ago · 10 km deep · 25 km away
  18. 4.682 km NE of Hihifo, Tonga · 3253 days ago · 10 km deep · 33 km away
  19. 5.487 km ENE of Hihifo, Tonga · 3252 days ago · 10 km deep · 62 km away · felt by 1
  20. 4.683 km NW of Hihifo, Tonga · 3249 days ago · 156 km deep · 99 km away
  21. 4.9102 km NNE of Hihifo, Tonga · 3245 days ago · 17 km deep · 7 km away
  22. 4.595 km NNW of Hihifo, Tonga · 3231 days ago · 200 km deep · 93 km away
  23. 4.6107 km NNE of Hihifo, Tonga · 3228 days ago · 10 km deep · 25 km away
  24. 4.560 km N of Hihifo, Tonga · 3222 days ago · 52 km deep · 61 km away
  25. 4.294 km NNW of Hihifo, Tonga · 3221 days ago · 10 km deep · 71 km away
  26. 5.382 km NNE of Hihifo, Tonga · 3221 days ago · 10 km deep · 25 km away · felt by 1
  27. 4.997 km NE of Hihifo, Tonga · 3218 days ago · 11 km deep · 21 km away
  28. 4.9112 km NE of Hihifo, Tonga · 3216 days ago · 10 km deep · 43 km away
  29. 4.6111 km NE of Hihifo, Tonga · 3216 days ago · 10 km deep · 22 km away
  30. 4.9110 km NNE of Hihifo, Tonga · 3212 days ago · 10 km deep · 5 km away

Before

  1. 4.562 km NNW of Hihifo, Tonga · 3279 days ago · 10 km deep · 77 km away
  2. 4.465 km N of Hihifo, Tonga · 3284 days ago · 10 km deep · 56 km away
  3. 4.6115 km NNE of Hihifo, Tonga · 3294 days ago · 11 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000awpj. Read Fri, Oct 2, 2026, 2:05 PM UTC.