Tonga earthquakes

M4.7 earthquake 102 km NNE of Hihifo, Tonga

A magnitude 4.7 earthquake struck 102 km NNE of Hihifo, Tonga on Sun, Aug 30, 2020, 11:52 PM GMT+13 (10:52 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.9 76 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
2020-08-30 10:52:32 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.085° S, 173.474° 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 7.2 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
85°
Stations used
29

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 11 in the 30 days before it.

After

  1. 4.181 km NE of Hihifo, Tonga · 2216 days ago · 10 km deep · 32 km away
  2. 5.4123 km NE of Hihifo, Tonga · 2214 days ago · 25 km deep · 54 km away · felt by 2
  3. 4.7109 km NE of Hihifo, Tonga · 2207 days ago · 10 km deep · 59 km away
  4. 4.0121 km NNE of Hihifo, Tonga · 2205 days ago · 35 km deep · 19 km away
  5. 4.7106 km NNE of Hihifo, Tonga · 2205 days ago · 20 km deep · 5 km away
  6. 4.3108 km NNE of Hihifo, Tonga · 2197 days ago · 10 km deep · 7 km away
  7. 5.193 km NNW of Hihifo, Tonga · 2192 days ago · 10 km deep · 63 km away
  8. 4.6140 km NNE of Hihifo, Tonga · 2190 days ago · 10 km deep · 39 km away
  9. 4.668 km N of Hihifo, Tonga · 2174 days ago · 64 km deep · 39 km away
  10. 5.976 km NNE of Hihifo, Tonga · 2166 days ago · 39 km deep · 31 km away · felt by 9
  11. 4.783 km NE of Hihifo, Tonga · 2166 days ago · 35 km deep · 43 km away
  12. 4.284 km NNW of Hihifo, Tonga · 2163 days ago · 10 km deep · 78 km away

Before

  1. 5.679 km NNW of Hihifo, Tonga · 2228 days ago · 10 km deep · 70 km away
  2. 4.5108 km NW of Hihifo, Tonga · 2228 days ago · 10 km deep · 96 km away
  3. 4.6111 km NNE of Hihifo, Tonga · 2236 days ago · 10 km deep · 13 km away
  4. 4.8111 km NE of Hihifo, Tonga · 2238 days ago · 10 km deep · 34 km away
  5. 4.831 km NNE of Hihifo, Tonga · 2238 days ago · 38 km deep · 71 km away · felt by 1
  6. 4.6126 km NNE of Hihifo, Tonga · 2239 days ago · 10 km deep · 34 km away · felt by 1
  7. 4.5Tonga · 2241 days ago · 104 km deep · 58 km away
  8. 4.4110 km NNE of Hihifo, Tonga · 2242 days ago · 10 km deep · 25 km away
  9. 4.4115 km NE of Hihifo, Tonga · 2243 days ago · 10 km deep · 40 km away
  10. 4.3135 km NNE of Hihifo, Tonga · 2250 days ago · 10 km deep · 40 km away
  11. 4.6111 km NE of Hihifo, Tonga · 2252 days ago · 10 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bf0n. Read Wed, Sep 30, 2026, 10:21 PM UTC.