Tonga earthquakes

M4.6 earthquake 93 km E of Hihifo, Tonga

A magnitude 4.6 earthquake struck 93 km E of Hihifo, Tonga on Sun, Apr 9, 2017, 7:19 AM GMT+13 (18:19 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.5 65 km SSE 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-04-08 18:19:29 UTC
Depth
35.2 km (21.9 mi), shallow
Epicenter
15.965° S, 172.925° 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 11.1 km horizontally, 12.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
127°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 14 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.536 km ESE of Hihifo, Tonga · 3454 days ago · 129 km deep · 64 km away
  2. 4.925 km SSE of Hihifo, Tonga · 3449 days ago · 66 km deep · 83 km away
  3. 4.425 km SSE of Hihifo, Tonga · 3447 days ago · 86 km deep · 83 km away
  4. 5.565 km SSE of Hihifo, Tonga · 3446 days ago · 59 km deep · 99 km away · felt by 1
  5. 4.5110 km SE of Hihifo, Tonga · 3444 days ago · 10 km deep · 75 km away
  6. 4.293 km NE of Hihifo, Tonga · 3440 days ago · 39 km deep · 66 km away
  7. 4.591 km ENE of Hihifo, Tonga · 3432 days ago · 10 km deep · 49 km away
  8. 4.7136 km ENE of Hihifo, Tonga · 3429 days ago · 10 km deep · 77 km away
  9. 4.786 km ENE of Hihifo, Tonga · 3424 days ago · 65 km deep · 41 km away
  10. 4.639 km NNE of Hihifo, Tonga · 3422 days ago · 69 km deep · 88 km away
  11. 4.9109 km NNE of Hihifo, Tonga · 3418 days ago · 10 km deep · 99 km away
  12. 4.6108 km NE of Hihifo, Tonga · 3417 days ago · 12 km deep · 86 km away
  13. 4.5177 km ESE of Hihifo, Tonga · 3414 days ago · 10 km deep · 88 km away
  14. 4.2119 km NE of Hihifo, Tonga · 3410 days ago · 36 km deep · 87 km away

Before

  1. 4.516 km SSE of Hihifo, Tonga · 3475 days ago · 110 km deep · 89 km away
  2. 4.827 km NNE of Hihifo, Tonga · 3476 days ago · 35 km deep · 84 km away
  3. 4.783 km SE of Hihifo, Tonga · 3491 days ago · 28 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008h9h. Read Sat, Oct 3, 2026, 12:22 PM UTC.