Tonga earthquakes

M4.2 earthquake 148 km SSE of ‘Ohonua, Tonga

A magnitude 4.2 earthquake struck 148 km SSE of ‘Ohonua, Tonga on Mon, Nov 8, 2021, 7:28 PM GMT+13 (06:28 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 226 km S of ‘Ohonua, 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
2021-11-08 06:28:01 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
22.628° S, 174.578° 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 10.8 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.18
Depth from
Operator assigned
Station coverage gap
138°
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: 5 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 5.2152 km SSE of ‘Ohonua, Tonga · 1777 days ago · 10 km deep · 11 km away
  2. 5.5226 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 94 km away
  3. 4.6229 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 88 km away
  4. 5.167 km SE of ‘Ohonua, Tonga · 1747 days ago · 10 km deep · 92 km away
  5. 4.9211 km S of ‘Ohonua, Tonga · 1740 days ago · 10 km deep · 96 km away

Before

  1. 4.8Tonga region · 1794 days ago · 10 km deep · 66 km away
  2. 4.7148 km S of ‘Ohonua, Tonga · 1794 days ago · 10 km deep · 23 km away
  3. 4.7246 km SSE of ‘Ohonua, Tonga · 1794 days ago · 10 km deep · 99 km away
  4. 4.5137 km SSE of ‘Ohonua, Tonga · 1795 days ago · 10 km deep · 26 km away
  5. 4.5201 km SSE of ‘Ohonua, Tonga · 1796 days ago · 10 km deep · 63 km away
  6. 5.0169 km S of ‘Ohonua, Tonga · 1798 days ago · 10 km deep · 44 km away
  7. 4.5139 km SSE of ‘Ohonua, Tonga · 1801 days ago · 10 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ftjq. Read Wed, Sep 30, 2026, 9:38 AM UTC.