Tonga earthquakes

M4.9 earthquake 17 km ENE of Hihifo, Tonga

A magnitude 4.9 earthquake struck 17 km ENE of Hihifo, Tonga on Mon, Nov 16, 2020, 9:50 PM GMT+14 (07:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.2 103 km NE 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
4.9 (mb), light
Local time
UTC
2020-11-16 07:50:51 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.899° S, 173.646° 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 7.7 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
58°
Stations used
143

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 12 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.699 km SE of Hihifo, Tonga · 2143 days ago · 22 km deep · 93 km away
  2. 4.478 km ESE of Hihifo, Tonga · 2136 days ago · 10 km deep · 66 km away
  3. 4.695 km SSE of Hihifo, Tonga · 2134 days ago · 10 km deep · 99 km away
  4. 4.693 km SSE of Hihifo, Tonga · 2134 days ago · 19 km deep · 97 km away
  5. 4.7101 km NNE of Hihifo, Tonga · 2131 days ago · 8 km deep · 92 km away
  6. 4.136 km SW of Hihifo, Tonga · 2129 days ago · 85 km deep · 52 km away
  7. 5.2103 km NE of Hihifo, Tonga · 2128 days ago · 10 km deep · 89 km away · felt by 1
  8. 4.668 km ENE of Hihifo, Tonga · 2122 days ago · 10 km deep · 51 km away
  9. 5.198 km SE of Hihifo, Tonga · 2117 days ago · 10 km deep · 95 km away
  10. 4.313 km SE of Hihifo, Tonga · 2103 days ago · 98 km deep · 15 km away
  11. 4.6110 km NNE of Hihifo, Tonga · 2098 days ago · 47 km deep · 98 km away
  12. 4.6108 km NNE of Hihifo, Tonga · 2092 days ago · 10 km deep · 99 km away

Before

  1. 4.377 km SW of Hihifo, Tonga · 2148 days ago · 110 km deep · 93 km away
  2. 6.283 km NNE of Hihifo, Tonga · 2153 days ago · 34 km deep · 74 km away · felt by 13
  3. 4.4107 km NNE of Hihifo, Tonga · 2155 days ago · 10 km deep · 96 km away
  4. 4.284 km NNW of Hihifo, Tonga · 2163 days ago · 10 km deep · 89 km away
  5. 4.783 km NE of Hihifo, Tonga · 2166 days ago · 35 km deep · 69 km away
  6. 5.976 km NNE of Hihifo, Tonga · 2166 days ago · 39 km deep · 64 km away · felt by 9
  7. 4.665 km S of Hihifo, Tonga · 2170 days ago · 70 km deep · 72 km away
  8. 4.668 km N of Hihifo, Tonga · 2174 days ago · 64 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000cfjw. Read Wed, Sep 30, 2026, 7:30 PM UTC.