Tonga earthquakes

M4.2 earthquake 94 km NE of Hihifo, Tonga

A magnitude 4.2 earthquake struck 94 km NE of Hihifo, Tonga on Wed, Nov 3, 2021, 2:33 PM GMT+13 (01:33 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, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-11-03 01:33:39 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.419° S, 173.111° 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 9.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.27
Depth from
Operator assigned
Station coverage gap
139°
Stations used
12

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 4 in the 30 days before it.

After

  1. 4.875 km E of Hihifo, Tonga · 1782 days ago · 10 km deep · 57 km away
  2. 4.2115 km NNE of Hihifo, Tonga · 1781 days ago · 10 km deep · 67 km away
  3. 4.3153 km ENE of Hihifo, Tonga · 1776 days ago · 10 km deep · 77 km away
  4. 4.385 km NNE of Hihifo, Tonga · 1775 days ago · 35 km deep · 38 km away
  5. 4.858 km N of Hihifo, Tonga · 1772 days ago · 10 km deep · 65 km away
  6. 5.4130 km NE of Hihifo, Tonga · 1769 days ago · 10 km deep · 46 km away · felt by 4
  7. 5.2114 km NNE of Hihifo, Tonga · 1769 days ago · 10 km deep · 47 km away · felt by 2
  8. 4.5102 km NNE of Hihifo, Tonga · 1765 days ago · 10 km deep · 50 km away
  9. 5.1121 km NE of Hihifo, Tonga · 1761 days ago · 10 km deep · 37 km away · felt by 1
  10. 4.4113 km ENE of Hihifo, Tonga · 1760 days ago · 10 km deep · 25 km away
  11. 4.4107 km N of Hihifo, Tonga · 1734 days ago · 10 km deep · 85 km away

Before

  1. 4.313 km E of Hihifo, Tonga · 1794 days ago · 71 km deep · 86 km away
  2. 4.6106 km ESE of Hihifo, Tonga · 1798 days ago · 10 km deep · 89 km away
  3. 4.331 km ESE of Hihifo, Tonga · 1811 days ago · 107 km deep · 86 km away
  4. 5.481 km NE of Hihifo, Tonga · 1821 days ago · 35 km deep · 18 km away · felt by 4

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000fsly. Read Thu, Oct 1, 2026, 3:24 AM UTC.