Tonga earthquakes

M4.6 earthquake 162 km NE of Neiafu, Tonga

A magnitude 4.6 earthquake struck 162 km NE of Neiafu, Tonga on Mon, Apr 18, 2016, 10:45 PM GMT-12 (10:45 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 133 km NE of Neiafu, Tonga. This one was a foreshock.

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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
2016-04-19 10:45:03 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
17.635° S, 172.876° 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 11.4 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
103°
Stations used
117

Nearby

Within 100 km, magnitude 1.6 and up: 14 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.7180 km SE of Hihifo, Tonga · 3816 days ago · 10 km deep · 96 km away
  2. 5.3209 km SE of Hihifo, Tonga · 3816 days ago · 10 km deep · 65 km away
  3. 5.7133 km NE of Neiafu, Tonga · 3815 days ago · 27 km deep · 35 km away
  4. 4.6148 km NE of Neiafu, Tonga · 3814 days ago · 10 km deep · 17 km away
  5. 4.7117 km NNE of Neiafu, Tonga · 3803 days ago · 60 km deep · 94 km away
  6. 4.5220 km NE of Neiafu, Tonga · 3795 days ago · 10 km deep · 60 km away
  7. 4.4124 km SSE of Hihifo, Tonga · 3784 days ago · 45 km deep · 87 km away
  8. 4.5114 km NE of Neiafu, Tonga · 3774 days ago · 35 km deep · 49 km away
  9. 4.4198 km SE of Hihifo, Tonga · 3774 days ago · 10 km deep · 47 km away
  10. 4.6151 km SE of Hihifo, Tonga · 3773 days ago · 44 km deep · 94 km away
  11. 5.6Tonga region · 3773 days ago · 10 km deep · 26 km away
  12. 4.4175 km NE of Neiafu, Tonga · 3769 days ago · 10 km deep · 30 km away
  13. 4.8176 km NE of Neiafu, Tonga · 3769 days ago · 10 km deep · 29 km away
  14. 4.7160 km NE of Neiafu, Tonga · 3765 days ago · 10 km deep · 25 km away

Before

  1. 4.8151 km NE of Neiafu, Tonga · 3836 days ago · 35 km deep · 11 km away
  2. 4.5143 km NNE of Neiafu, Tonga · 3837 days ago · 10 km deep · 81 km away
  3. 4.5124 km NE of Neiafu, Tonga · 3846 days ago · 68 km deep · 39 km away
  4. 4.6151 km NE of Neiafu, Tonga · 3846 days ago · 10 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20005js6. Read Mon, Oct 5, 2026, 7:16 AM UTC.