Tonga earthquakes

M4.2 earthquake 115 km NNE of Hihifo, Tonga

A magnitude 4.2 earthquake struck 115 km NNE of Hihifo, Tonga on Mon, Nov 15, 2021, 7:22 AM GMT+13 (18:22 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 130 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
4.2 (mb), light
Local time
UTC
2021-11-14 18:22:41 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
14.947° S, 173.505° 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 9.2 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
81°
Stations used
22

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 1 in the 30 days before it.

After

  1. 4.385 km NNE of Hihifo, Tonga · 1774 days ago · 35 km deep · 37 km away
  2. 4.858 km N of Hihifo, Tonga · 1772 days ago · 10 km deep · 59 km away
  3. 5.4130 km NE of Hihifo, Tonga · 1769 days ago · 10 km deep · 48 km away · felt by 4
  4. 5.2114 km NNE of Hihifo, Tonga · 1769 days ago · 10 km deep · 25 km away · felt by 2
  5. 4.5102 km NNE of Hihifo, Tonga · 1764 days ago · 10 km deep · 19 km away
  6. 5.1121 km NE of Hihifo, Tonga · 1760 days ago · 10 km deep · 45 km away · felt by 1
  7. 4.4113 km ENE of Hihifo, Tonga · 1760 days ago · 10 km deep · 87 km away
  8. 4.298 km NW of Hihifo, Tonga · 1758 days ago · 214 km deep · 98 km away
  9. 4.5101 km NNW of Hihifo, Tonga · 1744 days ago · 10 km deep · 80 km away
  10. 4.4107 km N of Hihifo, Tonga · 1733 days ago · 10 km deep · 28 km away
  11. 5.079 km ENE of Hihifo, Tonga · 1723 days ago · 35 km deep · 93 km away

Before

  1. 4.294 km NE of Hihifo, Tonga · 1792 days ago · 10 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000fv7l. Read Wed, Sep 30, 2026, 10:33 AM UTC.