Tonga earthquakes

M4.4 earthquake 36 km SE of Hihifo, Tonga

A magnitude 4.4 earthquake struck 36 km SE of Hihifo, Tonga on Sun, Jun 6, 2021, 3:44 PM GMT+13 (02:44 UTC), 102 km (64 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
4.4 (mb), light
Local time
UTC
2021-06-06 02:44:28 UTC
Depth
102.3 km (63.5 mi), intermediate-depth
Epicenter
16.214° S, 173.580° 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 6.4 km horizontally, 7.0 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
59°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.667 km ESE of Hihifo, Tonga · 1938 days ago · 7 km deep · 38 km away
  2. 4.580 km ESE of Hihifo, Tonga · 1936 days ago · 35 km deep · 49 km away
  3. 4.4112 km E of Hihifo, Tonga · 1922 days ago · 10 km deep · 90 km away
  4. 4.417 km NNW of Hihifo, Tonga · 1918 days ago · 35 km deep · 54 km away
  5. 4.357 km SE of Hihifo, Tonga · 1913 days ago · 10 km deep · 21 km away
  6. 5.075 km E of Hihifo, Tonga · 1909 days ago · 10 km deep · 58 km away
  7. 4.753 km ENE of Hihifo, Tonga · 1907 days ago · 35 km deep · 57 km away
  8. 4.843 km SSE of Hihifo, Tonga · 1895 days ago · 51 km deep · 18 km away
  9. 4.620 km WSW of Hihifo, Tonga · 1893 days ago · 113 km deep · 49 km away
  10. 4.579 km SE of Hihifo, Tonga · 1893 days ago · 68 km deep · 43 km away
  11. 4.881 km NE of Hihifo, Tonga · 1891 days ago · 32 km deep · 91 km away · felt by 7
  12. 5.387 km SSE of Hihifo, Tonga · 1887 days ago · 10 km deep · 58 km away

Before

  1. 4.422 km NW of Hihifo, Tonga · 1943 days ago · 106 km deep · 59 km away
  2. 4.5Tonga · 1948 days ago · 10 km deep · 87 km away
  3. 4.436 km S of Hihifo, Tonga · 1948 days ago · 80 km deep · 21 km away
  4. 4.766 km N of Hihifo, Tonga · 1969 days ago · 22 km deep · 98 km away
  5. 4.679 km ENE of Hihifo, Tonga · 1969 days ago · 10 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ebrz. Read Wed, Sep 30, 2026, 9:38 AM UTC.