Tonga earthquakes

M4.5 earthquake 72 km ENE of Hihifo, Tonga

A magnitude 4.5 earthquake struck 72 km ENE of Hihifo, Tonga on Tue, Feb 2, 2021, 4:25 AM GMT+14 (14:25 UTC), 10 km (6 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
4.5 (mb), light
Local time
UTC
2021-02-01 14:25:05 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.643° S, 173.204° 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 7.1 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.20
Depth from
Operator assigned
Station coverage gap
114°
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 6 in the 30 days before it.

After

  1. 4.9114 km ESE of Hihifo, Tonga · 2066 days ago · 10 km deep · 82 km away
  2. 4.696 km NE of Hihifo, Tonga · 2065 days ago · 10 km deep · 30 km away
  3. 4.5117 km NE of Hihifo, Tonga · 2063 days ago · 10 km deep · 53 km away
  4. 4.860 km ESE of Hihifo, Tonga · 2061 days ago · 10 km deep · 57 km away
  5. 4.933 km NE of Hihifo, Tonga · 2061 days ago · 37 km deep · 43 km away
  6. 5.0122 km NE of Hihifo, Tonga · 2046 days ago · 10 km deep · 67 km away · felt by 1
  7. 5.0112 km NNE of Hihifo, Tonga · 2044 days ago · 10 km deep · 61 km away · felt by 2
  8. 4.515 km SSE of Hihifo, Tonga · 2044 days ago · 110 km deep · 78 km away
  9. 4.4147 km ENE of Hihifo, Tonga · 2027 days ago · 10 km deep · 76 km away
  10. 4.323 km W of Hihifo, Tonga · 2023 days ago · 110 km deep · 94 km away
  11. 4.674 km NNE of Hihifo, Tonga · 2018 days ago · 10 km deep · 37 km away

Before

  1. 4.663 km N of Hihifo, Tonga · 2073 days ago · 85 km deep · 59 km away
  2. 4.586 km E of Hihifo, Tonga · 2080 days ago · 10 km deep · 35 km away
  3. 4.526 km WNW of Hihifo, Tonga · 2080 days ago · 159 km deep · 88 km away
  4. 4.983 km NE of Hihifo, Tonga · 2081 days ago · 10 km deep · 19 km away
  5. 4.450 km N of Hihifo, Tonga · 2082 days ago · 62 km deep · 71 km away
  6. 4.6108 km NNE of Hihifo, Tonga · 2092 days ago · 10 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000dfw7. Read Wed, Sep 30, 2026, 7:24 PM UTC.