Tonga earthquakes

M4.4 earthquake 101 km WNW of Hihifo, Tonga

A magnitude 4.4 earthquake struck 101 km WNW of Hihifo, Tonga on Thu, Jun 10, 2021, 6:44 PM GMT+13 (05:44 UTC), 255 km (159 mi) below the surface.

A larger quake followed: M5.0 85 km N 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
2021-06-10 05:44:44 UTC
Depth
255.2 km (158.5 mi), intermediate-depth
Epicenter
15.488° S, 174.611° 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 10.5 km horizontally, 7.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
112°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.4114 km W of Hihifo, Tonga · 1930 days ago · 323 km deep · 71 km away
  2. 4.3126 km WNW of Hihifo, Tonga · 1918 days ago · 249 km deep · 26 km away
  3. 4.417 km NNW of Hihifo, Tonga · 1918 days ago · 35 km deep · 88 km away
  4. 4.6123 km NW of Hihifo, Tonga · 1913 days ago · 10 km deep · 54 km away
  5. 4.3150 km W of Hihifo, Tonga · 1904 days ago · 128 km deep · 88 km away
  6. 4.570 km N of Hihifo, Tonga · 1894 days ago · 74 km deep · 76 km away
  7. 4.620 km WSW of Hihifo, Tonga · 1893 days ago · 113 km deep · 88 km away
  8. 5.085 km N of Hihifo, Tonga · 1893 days ago · 10 km deep · 91 km away
  9. 4.896 km N of Hihifo, Tonga · 1892 days ago · 93 km deep · 90 km away
  10. 4.875 km NW of Hihifo, Tonga · 1892 days ago · 175 km deep · 26 km away
  11. 4.4121 km WSW of Hihifo, Tonga · 1884 days ago · 273 km deep · 98 km away

Before

  1. 4.422 km NW of Hihifo, Tonga · 1943 days ago · 106 km deep · 80 km away
  2. 4.4172 km WNW of Hihifo, Tonga · 1958 days ago · 369 km deep · 73 km away
  3. 4.2166 km W of Hihifo, Tonga · 1962 days ago · 330 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ebmy. Read Wed, Sep 30, 2026, 3:04 AM UTC.