Tonga earthquakes

M4.7 earthquake 70 km S of Hihifo, Tonga

A magnitude 4.7 earthquake struck 70 km S of Hihifo, Tonga on Tue, Oct 13, 2020, 4:49 AM GMT+14 (14:49 UTC), 49 km (31 mi) below the surface.

A larger quake followed: M4.9 133 km SSW 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
2020-10-12 14:49:46 UTC
Depth
49.2 km (30.6 mi), shallow
Epicenter
16.582° S, 173.695° 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 5.3 km horizontally, 5.5 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
69°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 15 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.8148 km N of Neiafu, Tonga · 2177 days ago · 54 km deep · 83 km away
  2. 4.1111 km SSE of Hihifo, Tonga · 2175 days ago · 76 km deep · 43 km away
  3. 4.665 km S of Hihifo, Tonga · 2170 days ago · 70 km deep · 6 km away
  4. 4.2106 km SSW of Hihifo, Tonga · 2165 days ago · 141 km deep · 51 km away
  5. 4.9133 km SSW of Hihifo, Tonga · 2150 days ago · 134 km deep · 76 km away
  6. 4.3109 km SSE of Hihifo, Tonga · 2149 days ago · 32 km deep · 52 km away
  7. 4.377 km SW of Hihifo, Tonga · 2148 days ago · 110 km deep · 58 km away
  8. 4.917 km ENE of Hihifo, Tonga · 2145 days ago · 10 km deep · 76 km away
  9. 4.699 km SE of Hihifo, Tonga · 2143 days ago · 22 km deep · 64 km away
  10. 4.996 km SSE of Hihifo, Tonga · 2140 days ago · 84 km deep · 27 km away
  11. 4.7100 km SSE of Hihifo, Tonga · 2140 days ago · 83 km deep · 38 km away
  12. 4.478 km ESE of Hihifo, Tonga · 2136 days ago · 10 km deep · 81 km away
  13. 4.695 km SSE of Hihifo, Tonga · 2134 days ago · 10 km deep · 28 km away
  14. 4.693 km SSE of Hihifo, Tonga · 2134 days ago · 19 km deep · 26 km away
  15. 4.136 km SW of Hihifo, Tonga · 2129 days ago · 85 km deep · 53 km away

Before

  1. 4.462 km SSW of Hihifo, Tonga · 2200 days ago · 77 km deep · 43 km away
  2. 4.377 km ESE of Hihifo, Tonga · 2202 days ago · 13 km deep · 80 km away
  3. 4.4143 km SSW of Hihifo, Tonga · 2205 days ago · 131 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000c8sr. Read Wed, Sep 30, 2026, 8:33 PM UTC.