Tonga earthquakes

M4.3 earthquake 140 km SSW of Hihifo, Tonga

A magnitude 4.3 earthquake struck 140 km SSW of Hihifo, Tonga on Fri, May 6, 2016, 11:29 PM GMT-12 (11:29 UTC), 191 km (119 mi) below the surface.

A larger quake followed: M5.2 105 km SSE of Hihifo, 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-05-07 11:29:14 UTC
Depth
191.0 km (118.7 mi), intermediate-depth
Epicenter
17.111° S, 174.339° 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 9.9 km horizontally, 7.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
77°
Stations used
38

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.7117 km NNE of Neiafu, Tonga · 3803 days ago · 60 km deep · 82 km away
  2. 4.282 km SSW of Hihifo, Tonga · 3795 days ago · 128 km deep · 59 km away
  3. 4.2111 km SSW of Hihifo, Tonga · 3789 days ago · 222 km deep · 33 km away
  4. 5.2105 km SSE of Hihifo, Tonga · 3769 days ago · 40 km deep · 90 km away
  5. 4.3150 km NNW of Neiafu, Tonga · 3766 days ago · 90 km deep · 24 km away
  6. 4.563 km S of Hihifo, Tonga · 3757 days ago · 47 km deep · 93 km away
  7. 4.6115 km SSW of Hihifo, Tonga · 3756 days ago · 91 km deep · 32 km away

Before

  1. 4.6133 km N of Neiafu, Tonga · 3806 days ago · 61 km deep · 48 km away
  2. 4.4137 km SSW of Hihifo, Tonga · 3808 days ago · 92 km deep · 17 km away · felt by 1
  3. 4.6143 km NNW of Neiafu, Tonga · 3813 days ago · 103 km deep · 32 km away
  4. 4.5117 km SSW of Hihifo, Tonga · 3820 days ago · 64 km deep · 36 km away
  5. 4.6135 km SSW of Hihifo, Tonga · 3822 days ago · 69 km deep · 11 km away
  6. 4.5149 km SSW of Hihifo, Tonga · 3822 days ago · 61 km deep · 9 km away
  7. 4.5149 km NNW of Neiafu, Tonga · 3831 days ago · 132 km deep · 31 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10005h6u. Read Mon, Oct 5, 2026, 5:34 AM UTC.