Tonga earthquakes

M4.7 earthquake 180 km SE of Hihifo, Tonga

A magnitude 4.7 earthquake struck 180 km SE of Hihifo, Tonga on Sun, Apr 24, 2016, 10:05 AM GMT+13 (21:05 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.6 Tonga region. 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
2016-04-23 21:05:06 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
16.894° S, 172.419° 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 8.4 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.18
Depth from
Operator assigned
Station coverage gap
121°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 11 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 5.3209 km SE of Hihifo, Tonga · 3816 days ago · 10 km deep · 43 km away
  2. 4.790 km ESE of Hihifo, Tonga · 3800 days ago · 10 km deep · 97 km away
  3. 4.596 km ESE of Hihifo, Tonga · 3799 days ago · 35 km deep · 85 km away
  4. 4.5220 km NE of Neiafu, Tonga · 3795 days ago · 10 km deep · 56 km away
  5. 4.6116 km ESE of Hihifo, Tonga · 3794 days ago · 153 km deep · 68 km away
  6. 4.4124 km SSE of Hihifo, Tonga · 3784 days ago · 45 km deep · 80 km away
  7. 4.4198 km SE of Hihifo, Tonga · 3773 days ago · 10 km deep · 50 km away
  8. 4.6151 km SE of Hihifo, Tonga · 3773 days ago · 44 km deep · 30 km away
  9. 5.6Tonga region · 3773 days ago · 10 km deep · 87 km away
  10. 4.4175 km NE of Neiafu, Tonga · 3769 days ago · 10 km deep · 82 km away
  11. 4.8176 km NE of Neiafu, Tonga · 3768 days ago · 10 km deep · 96 km away

Before

  1. 4.6162 km NE of Neiafu, Tonga · 3820 days ago · 10 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10005den. Read Sun, Oct 4, 2026, 8:50 PM UTC.