Tonga earthquakes

M4.2 earthquake 94 km NNW of Hihifo, Tonga

A magnitude 4.2 earthquake struck 94 km NNW of Hihifo, Tonga on Fri, Dec 8, 2017, 3:01 AM GMT+14 (13:01 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.3 82 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-12-07 13:01:07 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.122° S, 173.991° 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 11.7 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.26
Depth from
Operator assigned
Station coverage gap
164°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 5.382 km NNE of Hihifo, Tonga · 3220 days ago · 10 km deep · 59 km away · felt by 1
  2. 4.997 km NE of Hihifo, Tonga · 3218 days ago · 11 km deep · 82 km away
  3. 4.6111 km NE of Hihifo, Tonga · 3216 days ago · 10 km deep · 91 km away
  4. 4.541 km W of Hihifo, Tonga · 3214 days ago · 137 km deep · 99 km away
  5. 4.9110 km NNE of Hihifo, Tonga · 3212 days ago · 10 km deep · 76 km away
  6. 4.7103 km NNE of Hihifo, Tonga · 3208 days ago · 10 km deep · 55 km away
  7. 4.443 km NW of Hihifo, Tonga · 3203 days ago · 118 km deep · 60 km away
  8. 4.5126 km NE of Hihifo, Tonga · 3202 days ago · 35 km deep · 100 km away
  9. 4.222 km NW of Hihifo, Tonga · 3197 days ago · 129 km deep · 75 km away
  10. 4.541 km NE of Hihifo, Tonga · 3183 days ago · 35 km deep · 75 km away
  11. 4.7103 km NNE of Hihifo, Tonga · 3179 days ago · 10 km deep · 53 km away
  12. 4.8100 km NE of Hihifo, Tonga · 3178 days ago · 38 km deep · 85 km away
  13. 4.4115 km NE of Hihifo, Tonga · 3176 days ago · 10 km deep · 93 km away
  14. 4.3Tonga · 3175 days ago · 117 km deep · 87 km away
  15. 4.4122 km WNW of Hihifo, Tonga · 3168 days ago · 240 km deep · 98 km away

Before

  1. 4.560 km N of Hihifo, Tonga · 3222 days ago · 52 km deep · 37 km away
  2. 4.6107 km NNE of Hihifo, Tonga · 3228 days ago · 10 km deep · 49 km away
  3. 4.595 km NNW of Hihifo, Tonga · 3230 days ago · 200 km deep · 23 km away
  4. 4.9102 km NNE of Hihifo, Tonga · 3245 days ago · 17 km deep · 63 km away
  5. 4.683 km NW of Hihifo, Tonga · 3249 days ago · 156 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000c4eu. Read Fri, Oct 2, 2026, 7:43 AM UTC.