Tonga earthquakes

M4.6 earthquake 94 km NNW of Hihifo, Tonga

A magnitude 4.6 earthquake struck 94 km NNW of Hihifo, Tonga on Thu, Apr 7, 2016, 12:24 AM GMT+13 (11:24 UTC), 77 km (48 mi) below the surface.

A larger quake followed: M4.7 110 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-04-06 11:24:55 UTC
Depth
76.8 km (47.7 mi), intermediate-depth
Epicenter
15.134° S, 174.034° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 11.0 km horizontally, 7.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
74°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 8 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.43 km SSE of Hihifo, Tonga · 3820 days ago · 114 km deep · 98 km away
  2. 4.7110 km NNE of Hihifo, Tonga · 3810 days ago · 35 km deep · 73 km away
  3. 4.524 km NNE of Hihifo, Tonga · 3804 days ago · 71 km deep · 76 km away
  4. 4.4107 km NNE of Hihifo, Tonga · 3802 days ago · 35 km deep · 73 km away
  5. 4.5108 km NNE of Hihifo, Tonga · 3800 days ago · 10 km deep · 85 km away
  6. 4.225 km WSW of Hihifo, Tonga · 3800 days ago · 83 km deep · 98 km away
  7. 4.3147 km N of Hihifo, Tonga · 3793 days ago · 10 km deep · 75 km away
  8. 4.6104 km NNE of Hihifo, Tonga · 3789 days ago · 23 km deep · 56 km away

Before

  1. 4.594 km N of Hihifo, Tonga · 3838 days ago · 17 km deep · 37 km away
  2. 4.664 km N of Hihifo, Tonga · 3843 days ago · 51 km deep · 31 km away
  3. 5.3143 km N of Hihifo, Tonga · 3844 days ago · 17 km deep · 63 km away
  4. 4.554 km NW of Hihifo, Tonga · 3849 days ago · 81 km deep · 59 km away
  5. 4.521 km NNE of Hihifo, Tonga · 3858 days ago · 107 km deep · 78 km away
  6. 5.9101 km NNE of Hihifo, Tonga · 3863 days ago · 33 km deep · 65 km away · felt by 5

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20005i9x. Read Sun, Oct 4, 2026, 7:48 PM UTC.