Tonga earthquakes

M4.3 earthquake 13 km SE of Hihifo, Tonga

A magnitude 4.3 earthquake struck 13 km SE of Hihifo, Tonga on Mon, Dec 28, 2020, 4:15 AM GMT+14 (14:15 UTC), 98 km (61 mi) below the surface.

A larger quake followed: M4.9 83 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
4.3 (mb), light
Local time
UTC
2020-12-27 14:15:11 UTC
Depth
98.0 km (60.9 mi), intermediate-depth
Epicenter
16.023° S, 173.697° 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, 8.6 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
122°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.450 km N of Hihifo, Tonga · 2082 days ago · 62 km deep · 60 km away
  2. 4.983 km NE of Hihifo, Tonga · 2081 days ago · 10 km deep · 82 km away
  3. 4.526 km WNW of Hihifo, Tonga · 2080 days ago · 159 km deep · 39 km away
  4. 4.586 km E of Hihifo, Tonga · 2080 days ago · 10 km deep · 77 km away
  5. 4.663 km N of Hihifo, Tonga · 2073 days ago · 85 km deep · 71 km away
  6. 4.581 km SW of Hihifo, Tonga · 2071 days ago · 74 km deep · 84 km away
  7. 4.570 km W of Hihifo, Tonga · 2071 days ago · 10 km deep · 82 km away
  8. 4.572 km ENE of Hihifo, Tonga · 2067 days ago · 10 km deep · 67 km away
  9. 4.696 km NE of Hihifo, Tonga · 2064 days ago · 10 km deep · 94 km away
  10. 4.860 km ESE of Hihifo, Tonga · 2061 days ago · 10 km deep · 47 km away
  11. 4.933 km NE of Hihifo, Tonga · 2060 days ago · 37 km deep · 36 km away
  12. 4.515 km SSE of Hihifo, Tonga · 2043 days ago · 110 km deep · 10 km away

Before

  1. 5.198 km SE of Hihifo, Tonga · 2117 days ago · 10 km deep · 86 km away
  2. 4.668 km ENE of Hihifo, Tonga · 2121 days ago · 10 km deep · 63 km away
  3. 4.136 km SW of Hihifo, Tonga · 2128 days ago · 85 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000d6el. Read Wed, Sep 30, 2026, 11:32 AM UTC.