Tonga earthquakes

M4.3 earthquake 71 km NE of Hihifo, Tonga

A magnitude 4.3 earthquake struck 71 km NE of Hihifo, Tonga on Sun, Sep 26, 2021, 7:01 PM GMT+13 (06:01 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.4 81 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
4.3 (mb), light
Local time
UTC
2021-09-26 06:01:54 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
15.559° S, 173.274° 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 8.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.22
Depth from
Operator assigned
Station coverage gap
161°
Stations used
14

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 11 in the 30 days before it.

After

  1. 4.557 km SE of Hihifo, Tonga · 1829 days ago · 57 km deep · 94 km away
  2. 4.6136 km NNE of Hihifo, Tonga · 1824 days ago · 10 km deep · 74 km away
  3. 4.4129 km SW of Gataivai, Samoa · 1824 days ago · 10 km deep · 98 km away
  4. 5.481 km NE of Hihifo, Tonga · 1820 days ago · 35 km deep · 15 km away · felt by 4
  5. 4.331 km ESE of Hihifo, Tonga · 1811 days ago · 107 km deep · 64 km away
  6. 4.6106 km ESE of Hihifo, Tonga · 1798 days ago · 10 km deep · 83 km away
  7. 4.313 km E of Hihifo, Tonga · 1793 days ago · 71 km deep · 63 km away
  8. 4.294 km NE of Hihifo, Tonga · 1792 days ago · 10 km deep · 23 km away
  9. 4.636 km SSE of Hihifo, Tonga · 1789 days ago · 73 km deep · 85 km away
  10. 4.875 km E of Hihifo, Tonga · 1782 days ago · 10 km deep · 45 km away
  11. 4.2115 km NNE of Hihifo, Tonga · 1781 days ago · 10 km deep · 72 km away
  12. 4.3153 km ENE of Hihifo, Tonga · 1775 days ago · 10 km deep · 92 km away
  13. 4.385 km NNE of Hihifo, Tonga · 1774 days ago · 35 km deep · 36 km away
  14. 4.858 km N of Hihifo, Tonga · 1772 days ago · 10 km deep · 49 km away

Before

  1. 4.3105 km NNE of Hihifo, Tonga · 1833 days ago · 149 km deep · 50 km away
  2. 5.121 km NNE of Hihifo, Tonga · 1838 days ago · 67 km deep · 53 km away · felt by 3
  3. 4.995 km N of Hihifo, Tonga · 1842 days ago · 110 km deep · 85 km away · felt by 1
  4. 4.828 km N of Hihifo, Tonga · 1843 days ago · 59 km deep · 61 km away
  5. 4.7124 km E of Hihifo, Tonga · 1848 days ago · 10 km deep · 73 km away
  6. 4.86 km S of Hihifo, Tonga · 1849 days ago · 82 km deep · 75 km away
  7. 4.7106 km NE of Hihifo, Tonga · 1849 days ago · 10 km deep · 35 km away
  8. 4.566 km E of Hihifo, Tonga · 1851 days ago · 35 km deep · 36 km away
  9. 4.692 km NNE of Hihifo, Tonga · 1852 days ago · 10 km deep · 60 km away
  10. 4.535 km N of Hihifo, Tonga · 1857 days ago · 83 km deep · 58 km away
  11. 4.9108 km NE of Hihifo, Tonga · 1859 days ago · 10 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fqh5. Read Wed, Sep 30, 2026, 11:31 AM UTC.