Tonga earthquakes

M4.7 earthquake 83 km NE of Hihifo, Tonga

A magnitude 4.7 earthquake struck 83 km NE of Hihifo, Tonga on Mon, Oct 26, 2020, 2:49 AM GMT+14 (12:49 UTC), 35 km (22 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
4.7 (mb), light
Local time
UTC
2020-10-25 12:49:08 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
15.408° S, 173.254° 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 10.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
88°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 12 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.284 km NNW of Hihifo, Tonga · 2163 days ago · 10 km deep · 99 km away
  2. 4.4107 km NNE of Hihifo, Tonga · 2155 days ago · 10 km deep · 39 km away
  3. 6.283 km NNE of Hihifo, Tonga · 2154 days ago · 34 km deep · 34 km away · felt by 13
  4. 4.917 km ENE of Hihifo, Tonga · 2145 days ago · 10 km deep · 69 km away
  5. 4.6112 km N of Hihifo, Tonga · 2141 days ago · 10 km deep · 91 km away
  6. 4.478 km ESE of Hihifo, Tonga · 2136 days ago · 10 km deep · 84 km away
  7. 4.4129 km NE of Hihifo, Tonga · 2135 days ago · 10 km deep · 48 km away
  8. 4.1132 km ENE of Hihifo, Tonga · 2133 days ago · 10 km deep · 65 km away
  9. 4.7101 km NNE of Hihifo, Tonga · 2131 days ago · 8 km deep · 44 km away
  10. 5.2103 km NE of Hihifo, Tonga · 2129 days ago · 10 km deep · 21 km away · felt by 1
  11. 4.668 km ENE of Hihifo, Tonga · 2122 days ago · 10 km deep · 30 km away
  12. 4.9138 km NNE of Hihifo, Tonga · 2117 days ago · 10 km deep · 64 km away

Before

  1. 5.976 km NNE of Hihifo, Tonga · 2166 days ago · 39 km deep · 19 km away · felt by 9
  2. 4.668 km N of Hihifo, Tonga · 2174 days ago · 64 km deep · 52 km away
  3. 4.6140 km NNE of Hihifo, Tonga · 2190 days ago · 10 km deep · 75 km away
  4. 5.193 km NNW of Hihifo, Tonga · 2192 days ago · 10 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000c7l7. Read Wed, Sep 30, 2026, 10:24 PM UTC.