Tonga earthquakes

M4.4 earthquake 114 km W of Hihifo, Tonga

A magnitude 4.4 earthquake struck 114 km W of Hihifo, Tonga on Fri, Jun 18, 2021, 1:45 AM GMT-12 (13:45 UTC), 323 km (201 mi) below the surface.

A larger quake followed: M4.8 75 km NW of Hihifo, Tonga. This one was a foreshock.

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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
2021-06-18 13:45:07 UTC
Depth
322.7 km (200.5 mi), deep
Epicenter
16.078° S, 174.857° 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 15.5 km horizontally, 15.2 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
126°
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.3126 km WNW of Hihifo, Tonga · 1918 days ago · 249 km deep · 73 km away
  2. 4.1177 km WSW of Hihifo, Tonga · 1910 days ago · 271 km deep · 75 km away
  3. 4.4163 km WSW of Hihifo, Tonga · 1905 days ago · 10 km deep · 53 km away
  4. 4.3150 km W of Hihifo, Tonga · 1904 days ago · 128 km deep · 37 km away
  5. 4.620 km WSW of Hihifo, Tonga · 1893 days ago · 113 km deep · 94 km away
  6. 4.875 km NW of Hihifo, Tonga · 1892 days ago · 175 km deep · 77 km away
  7. 4.4121 km WSW of Hihifo, Tonga · 1884 days ago · 273 km deep · 29 km away

Before

  1. 4.3208 km WSW of Hihifo, Tonga · 1938 days ago · 173 km deep · 99 km away
  2. 4.4101 km WNW of Hihifo, Tonga · 1938 days ago · 255 km deep · 71 km away
  3. 4.422 km NW of Hihifo, Tonga · 1943 days ago · 106 km deep · 100 km away
  4. 4.5Tonga · 1948 days ago · 10 km deep · 79 km away
  5. 4.4172 km WNW of Hihifo, Tonga · 1958 days ago · 369 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ep43. Read Wed, Sep 30, 2026, 4:02 AM UTC.