Tonga earthquakes

M4.5 earthquake 56 km N of Hihifo, Tonga

A magnitude 4.5 earthquake struck 56 km N of Hihifo, Tonga on Thu, Jul 9, 2020, 9:39 PM GMT+13 (08:39 UTC), 121 km (75 mi) below the surface.

A larger quake followed: M5.6 79 km NNW 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
4.5 (mb), light
Local time
UTC
2020-07-09 08:39:10 UTC
Depth
121.4 km (75.4 mi), intermediate-depth
Epicenter
15.449° S, 173.827° 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 6.0 km horizontally, 6.3 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
59°
Stations used
60

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.593 km ENE of Hihifo, Tonga · 2275 days ago · 10 km deep · 86 km away
  2. 4.399 km NNE of Hihifo, Tonga · 2265 days ago · 10 km deep · 54 km away
  3. 4.9116 km NW of Hihifo, Tonga · 2264 days ago · 10 km deep · 79 km away
  4. 4.6134 km NW of Hihifo, Tonga · 2264 days ago · 10 km deep · 96 km away
  5. 4.8124 km NW of Hihifo, Tonga · 2263 days ago · 10 km deep · 92 km away
  6. 4.4112 km NE of Hihifo, Tonga · 2262 days ago · 10 km deep · 76 km away
  7. 4.424 km ESE of Hihifo, Tonga · 2262 days ago · 115 km deep · 71 km away
  8. 4.6113 km NE of Hihifo, Tonga · 2261 days ago · 10 km deep · 84 km away
  9. 4.2107 km WNW of Hihifo, Tonga · 2255 days ago · 277 km deep · 97 km away
  10. 4.6111 km NE of Hihifo, Tonga · 2252 days ago · 10 km deep · 79 km away
  11. 4.550 km SW of Hihifo, Tonga · 2251 days ago · 116 km deep · 93 km away
  12. 4.3135 km NNE of Hihifo, Tonga · 2250 days ago · 10 km deep · 95 km away
  13. 4.5142 km NNW of Hihifo, Tonga · 2247 days ago · 268 km deep · 98 km away
  14. 4.4115 km NE of Hihifo, Tonga · 2243 days ago · 10 km deep · 84 km away
  15. 4.4110 km NNE of Hihifo, Tonga · 2242 days ago · 10 km deep · 73 km away
  16. 4.5Tonga · 2241 days ago · 104 km deep · 11 km away
  17. 4.6126 km NNE of Hihifo, Tonga · 2239 days ago · 10 km deep · 87 km away · felt by 1
  18. 4.831 km NNE of Hihifo, Tonga · 2238 days ago · 38 km deep · 29 km away · felt by 1
  19. 4.8111 km NE of Hihifo, Tonga · 2238 days ago · 10 km deep · 78 km away
  20. 4.6111 km NNE of Hihifo, Tonga · 2236 days ago · 10 km deep · 62 km away
  21. 4.5108 km NW of Hihifo, Tonga · 2228 days ago · 10 km deep · 67 km away
  22. 5.679 km NNW of Hihifo, Tonga · 2228 days ago · 10 km deep · 33 km away
  23. 4.7102 km NNE of Hihifo, Tonga · 2222 days ago · 10 km deep · 55 km away
  24. 4.546 km SSW of Hihifo, Tonga · 2218 days ago · 59 km deep · 99 km away
  25. 4.181 km NE of Hihifo, Tonga · 2216 days ago · 10 km deep · 51 km away

Before

  1. 4.8119 km NNE of Hihifo, Tonga · 2276 days ago · 10 km deep · 74 km away
  2. 4.810 km NW of Hihifo, Tonga · 2278 days ago · 108 km deep · 48 km away
  3. 4.6118 km NE of Hihifo, Tonga · 2278 days ago · 10 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000akma. Read Wed, Sep 30, 2026, 9:53 PM UTC.