Tonga earthquakes

M4.3 earthquake 57 km SE of Hihifo, Tonga

A magnitude 4.3 earthquake struck 57 km SE of Hihifo, Tonga on Mon, Jul 5, 2021, 7:42 PM GMT+13 (06:42 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.3 87 km SSE 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
4.3 (mb), light
Local time
UTC
2021-07-05 06:42:56 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
16.376° S, 173.477° 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 6.7 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.16
Depth from
Operator assigned
Station coverage gap
146°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 5.075 km E of Hihifo, Tonga · 1909 days ago · 10 km deep · 60 km away
  2. 4.753 km ENE of Hihifo, Tonga · 1907 days ago · 35 km deep · 71 km away
  3. 4.843 km SSE of Hihifo, Tonga · 1895 days ago · 51 km deep · 23 km away
  4. 4.620 km WSW of Hihifo, Tonga · 1893 days ago · 113 km deep · 68 km away
  5. 4.579 km SE of Hihifo, Tonga · 1893 days ago · 68 km deep · 21 km away
  6. 5.387 km SSE of Hihifo, Tonga · 1887 days ago · 10 km deep · 42 km away
  7. 5.0102 km SSE of Hihifo, Tonga · 1879 days ago · 35 km deep · 46 km away
  8. 4.666 km S of Hihifo, Tonga · 1879 days ago · 70 km deep · 37 km away
  9. 4.953 km NE of Hihifo, Tonga · 1878 days ago · 78 km deep · 88 km away
  10. 4.551 km SE of Hihifo, Tonga · 1878 days ago · 65 km deep · 17 km away
  11. 4.545 km N of Hihifo, Tonga · 1867 days ago · 67 km deep · 98 km away
  12. 4.386 km SSW of Hihifo, Tonga · 1865 days ago · 70 km deep · 84 km away
  13. 4.6Tonga · 1863 days ago · 69 km deep · 61 km away
  14. 4.535 km N of Hihifo, Tonga · 1857 days ago · 83 km deep · 90 km away

Before

  1. 4.417 km NNW of Hihifo, Tonga · 1918 days ago · 35 km deep · 75 km away
  2. 4.5138 km S of Hihifo, Tonga · 1918 days ago · 10 km deep · 94 km away
  3. 4.4112 km E of Hihifo, Tonga · 1922 days ago · 10 km deep · 84 km away
  4. 4.7139 km ESE of Hihifo, Tonga · 1927 days ago · 10 km deep · 91 km away
  5. 4.580 km ESE of Hihifo, Tonga · 1936 days ago · 35 km deep · 38 km away
  6. 4.667 km ESE of Hihifo, Tonga · 1938 days ago · 7 km deep · 33 km away
  7. 4.436 km SE of Hihifo, Tonga · 1942 days ago · 102 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000etn6. Read Wed, Sep 30, 2026, 6:12 AM UTC.