Tonga earthquakes

M4.6 earthquake 63 km N of Hihifo, Tonga

A magnitude 4.6 earthquake struck 63 km N of Hihifo, Tonga on Wed, Jan 27, 2021, 8:50 AM GMT+14 (18:50 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M5.0 122 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
4.6 (mb), light
Local time
UTC
2021-01-26 18:50:19 UTC
Depth
84.8 km (52.7 mi), intermediate-depth
Epicenter
15.387° S, 173.688° 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 12.4 km horizontally, 9.3 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
84°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 11 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.570 km W of Hihifo, Tonga · 2071 days ago · 10 km deep · 100 km away
  2. 4.572 km ENE of Hihifo, Tonga · 2067 days ago · 10 km deep · 59 km away
  3. 4.696 km NE of Hihifo, Tonga · 2064 days ago · 10 km deep · 62 km away
  4. 4.5117 km NE of Hihifo, Tonga · 2063 days ago · 10 km deep · 74 km away
  5. 4.860 km ESE of Hihifo, Tonga · 2061 days ago · 10 km deep · 96 km away
  6. 4.933 km NE of Hihifo, Tonga · 2060 days ago · 37 km deep · 38 km away
  7. 5.0122 km NE of Hihifo, Tonga · 2046 days ago · 10 km deep · 70 km away · felt by 1
  8. 5.0112 km NNE of Hihifo, Tonga · 2044 days ago · 10 km deep · 58 km away · felt by 2
  9. 4.515 km SSE of Hihifo, Tonga · 2043 days ago · 110 km deep · 78 km away
  10. 4.323 km W of Hihifo, Tonga · 2022 days ago · 110 km deep · 73 km away
  11. 4.674 km NNE of Hihifo, Tonga · 2017 days ago · 10 km deep · 28 km away

Before

  1. 4.586 km E of Hihifo, Tonga · 2080 days ago · 10 km deep · 93 km away
  2. 4.526 km WNW of Hihifo, Tonga · 2080 days ago · 159 km deep · 59 km away
  3. 4.983 km NE of Hihifo, Tonga · 2081 days ago · 10 km deep · 54 km away
  4. 4.450 km N of Hihifo, Tonga · 2082 days ago · 62 km deep · 22 km away
  5. 4.6108 km NNE of Hihifo, Tonga · 2092 days ago · 10 km deep · 46 km away
  6. 4.6110 km NNE of Hihifo, Tonga · 2098 days ago · 47 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000de7n. Read Wed, Sep 30, 2026, 12:21 PM UTC.