Tonga earthquakes

M4.3 earthquake 108 km NNE of Hihifo, Tonga

A magnitude 4.3 earthquake struck 108 km NNE of Hihifo, Tonga on Fri, Sep 25, 2020, 10:38 PM GMT+13 (09:38 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.2 83 km NNE 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
2020-09-25 09:38:37 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.047° S, 173.423° 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 9.8 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.19
Depth from
Operator assigned
Station coverage gap
84°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 5.193 km NNW of Hihifo, Tonga · 2192 days ago · 10 km deep · 69 km away
  2. 4.6140 km NNE of Hihifo, Tonga · 2190 days ago · 10 km deep · 33 km away
  3. 4.668 km N of Hihifo, Tonga · 2174 days ago · 64 km deep · 46 km away
  4. 5.976 km NNE of Hihifo, Tonga · 2167 days ago · 39 km deep · 35 km away · felt by 9
  5. 4.783 km NE of Hihifo, Tonga · 2167 days ago · 35 km deep · 44 km away
  6. 4.284 km NNW of Hihifo, Tonga · 2163 days ago · 10 km deep · 84 km away
  7. 4.4107 km NNE of Hihifo, Tonga · 2156 days ago · 10 km deep · 7 km away
  8. 6.283 km NNE of Hihifo, Tonga · 2154 days ago · 34 km deep · 25 km away · felt by 13
  9. 4.917 km ENE of Hihifo, Tonga · 2145 days ago · 10 km deep · 98 km away
  10. 4.6112 km N of Hihifo, Tonga · 2141 days ago · 10 km deep · 58 km away

Before

  1. 4.7106 km NNE of Hihifo, Tonga · 2205 days ago · 20 km deep · 4 km away
  2. 4.0121 km NNE of Hihifo, Tonga · 2205 days ago · 35 km deep · 14 km away
  3. 4.7109 km NE of Hihifo, Tonga · 2207 days ago · 10 km deep · 56 km away
  4. 5.4123 km NE of Hihifo, Tonga · 2214 days ago · 25 km deep · 50 km away · felt by 2
  5. 4.181 km NE of Hihifo, Tonga · 2216 days ago · 10 km deep · 35 km away
  6. 4.7102 km NNE of Hihifo, Tonga · 2223 days ago · 10 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000c36z. Read Thu, Oct 1, 2026, 12:44 AM UTC.