Tonga earthquakes

M4.7 earthquake 109 km NE of Hihifo, Tonga

A magnitude 4.7 earthquake struck 109 km NE of Hihifo, Tonga on Tue, Sep 15, 2020, 8:53 AM GMT+13 (19:53 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-09-14 19:53:35 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.340° S, 172.994° 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 8.9 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
86°
Stations used
41

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 11 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.0121 km NNE of Hihifo, Tonga · 2209 days ago · 35 km deep · 63 km away
  2. 4.7106 km NNE of Hihifo, Tonga · 2209 days ago · 20 km deep · 60 km away
  3. 4.377 km ESE of Hihifo, Tonga · 2206 days ago · 13 km deep · 90 km away
  4. 4.3108 km NNE of Hihifo, Tonga · 2201 days ago · 10 km deep · 56 km away
  5. 4.6140 km NNE of Hihifo, Tonga · 2194 days ago · 10 km deep · 78 km away
  6. 4.9121 km SSW of Lotofag?, Samoa · 2192 days ago · 10 km deep · 86 km away
  7. 4.668 km N of Hihifo, Tonga · 2178 days ago · 64 km deep · 79 km away
  8. 5.976 km NNE of Hihifo, Tonga · 2171 days ago · 39 km deep · 46 km away · felt by 9
  9. 4.783 km NE of Hihifo, Tonga · 2171 days ago · 35 km deep · 29 km away
  10. 4.4107 km NNE of Hihifo, Tonga · 2160 days ago · 10 km deep · 49 km away
  11. 6.283 km NNE of Hihifo, Tonga · 2158 days ago · 34 km deep · 58 km away · felt by 13

Before

  1. 5.4123 km NE of Hihifo, Tonga · 2218 days ago · 25 km deep · 19 km away · felt by 2
  2. 4.181 km NE of Hihifo, Tonga · 2221 days ago · 10 km deep · 39 km away
  3. 4.7102 km NNE of Hihifo, Tonga · 2227 days ago · 10 km deep · 59 km away
  4. 4.570 km ESE of Hihifo, Tonga · 2232 days ago · 10 km deep · 96 km away
  5. 4.686 km ESE of Hihifo, Tonga · 2233 days ago · 10 km deep · 92 km away
  6. 4.771 km ESE of Hihifo, Tonga · 2234 days ago · 10 km deep · 93 km away
  7. 4.6111 km NNE of Hihifo, Tonga · 2241 days ago · 10 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bn6r. Read Mon, Oct 5, 2026, 7:32 AM UTC.