Tonga earthquakes

M4.3 earthquake 99 km NNE of Hihifo, Tonga

A magnitude 4.3 earthquake struck 99 km NNE of Hihifo, Tonga on Sun, Jul 19, 2020, 9:38 PM GMT+13 (08:38 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.6 79 km NNW of Hihifo, Tonga. This one was a foreshock.

Apia 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
4.3 (mb), light
Local time
UTC
2020-07-19 08:38:13 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
15.109° S, 173.468° 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 10.3 km horizontally, 4.6 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
86°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.4112 km NE of Hihifo, Tonga · 2262 days ago · 10 km deep · 28 km away
  2. 4.6113 km NE of Hihifo, Tonga · 2261 days ago · 10 km deep · 41 km away
  3. 4.2138 km ENE of Hihifo, Tonga · 2257 days ago · 10 km deep · 84 km away
  4. 4.6111 km NE of Hihifo, Tonga · 2252 days ago · 10 km deep · 35 km away
  5. 4.3135 km NNE of Hihifo, Tonga · 2250 days ago · 10 km deep · 41 km away
  6. 4.4115 km NE of Hihifo, Tonga · 2243 days ago · 10 km deep · 39 km away
  7. 4.4110 km NNE of Hihifo, Tonga · 2242 days ago · 10 km deep · 24 km away
  8. 4.5Tonga · 2241 days ago · 104 km deep · 57 km away
  9. 4.6126 km NNE of Hihifo, Tonga · 2239 days ago · 10 km deep · 34 km away · felt by 1
  10. 4.831 km NNE of Hihifo, Tonga · 2238 days ago · 38 km deep · 68 km away · felt by 1
  11. 4.8111 km NE of Hihifo, Tonga · 2238 days ago · 10 km deep · 33 km away
  12. 4.6111 km NNE of Hihifo, Tonga · 2236 days ago · 10 km deep · 16 km away
  13. 4.5108 km NW of Hihifo, Tonga · 2228 days ago · 10 km deep · 96 km away
  14. 5.679 km NNW of Hihifo, Tonga · 2228 days ago · 10 km deep · 70 km away
  15. 4.7102 km NNE of Hihifo, Tonga · 2222 days ago · 10 km deep · 3 km away
  16. 4.181 km NE of Hihifo, Tonga · 2216 days ago · 10 km deep · 30 km away
  17. 5.4123 km NE of Hihifo, Tonga · 2214 days ago · 25 km deep · 53 km away · felt by 2
  18. 4.7109 km NE of Hihifo, Tonga · 2207 days ago · 10 km deep · 57 km away
  19. 4.0121 km NNE of Hihifo, Tonga · 2205 days ago · 35 km deep · 22 km away
  20. 4.7106 km NNE of Hihifo, Tonga · 2205 days ago · 20 km deep · 7 km away

Before

  1. 4.3140 km NE of Hihifo, Tonga · 2265 days ago · 16 km deep · 80 km away
  2. 4.9129 km NE of Hihifo, Tonga · 2265 days ago · 10 km deep · 56 km away
  3. 6.1141 km ENE of Hihifo, Tonga · 2265 days ago · 12 km deep · 85 km away · felt by 1 · tsunami flag
  4. 4.5143 km NE of Hihifo, Tonga · 2270 days ago · 10 km deep · 61 km away
  5. 4.593 km ENE of Hihifo, Tonga · 2274 days ago · 10 km deep · 67 km away
  6. 4.556 km N of Hihifo, Tonga · 2275 days ago · 121 km deep · 54 km away
  7. 4.0133 km ENE of Hihifo, Tonga · 2275 days ago · 10 km deep · 87 km away
  8. 4.8119 km NNE of Hihifo, Tonga · 2276 days ago · 10 km deep · 20 km away
  9. 4.810 km NW of Hihifo, Tonga · 2277 days ago · 108 km deep · 95 km away
  10. 4.6118 km NE of Hihifo, Tonga · 2278 days ago · 10 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000b3g8. Read Wed, Sep 30, 2026, 8:39 PM UTC.