Tonga earthquakes

M4.7 earthquake 95 km N of Hihifo, Tonga

A magnitude 4.7 earthquake struck 95 km N of Hihifo, Tonga on Mon, Dec 3, 2018, 11:17 PM GMT+14 (09:17 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.3 119 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-12-03 09:17:53 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.091° S, 173.847° 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 7.0 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
99°
Stations used
38

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 6 in the 30 days before it.

After

  1. 4.6Tonga · 2859 days ago · 10 km deep · 79 km away
  2. 4.7119 km NE of Hihifo, Tonga · 2856 days ago · 10 km deep · 85 km away
  3. 4.5106 km NNE of Hihifo, Tonga · 2839 days ago · 36 km deep · 45 km away
  4. 5.1104 km NNE of Hihifo, Tonga · 2816 days ago · 10 km deep · 54 km away · felt by 2
  5. 4.5100 km NNE of Hihifo, Tonga · 2816 days ago · 9 km deep · 51 km away
  6. 4.4116 km NNE of Hihifo, Tonga · 2815 days ago · 10 km deep · 55 km away
  7. 4.625 km NNW of Hihifo, Tonga · 2814 days ago · 47 km deep · 73 km away
  8. 4.9117 km NE of Hihifo, Tonga · 2810 days ago · 10 km deep · 77 km away
  9. 5.0100 km NNE of Hihifo, Tonga · 2809 days ago · 10 km deep · 51 km away
  10. 4.934 km NE of Hihifo, Tonga · 2807 days ago · 35 km deep · 72 km away
  11. 5.059 km NNE of Hihifo, Tonga · 2807 days ago · 93 km deep · 49 km away
  12. 5.3119 km NE of Hihifo, Tonga · 2802 days ago · 10 km deep · 89 km away

Before

  1. 4.916 km NE of Hihifo, Tonga · 2861 days ago · 46 km deep · 87 km away
  2. 4.3122 km NW of Hihifo, Tonga · 2870 days ago · 202 km deep · 75 km away
  3. 4.3141 km SSW of Gataivai, Samoa · 2871 days ago · 10 km deep · 87 km away
  4. 5.189 km NNE of Hihifo, Tonga · 2874 days ago · 10 km deep · 50 km away
  5. 4.539 km NNE of Hihifo, Tonga · 2882 days ago · 51 km deep · 64 km away
  6. 5.092 km NE of Hihifo, Tonga · 2885 days ago · 10 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000i139. Read Fri, Oct 2, 2026, 3:50 PM UTC.