Tonga earthquakes

M4.3 earthquake 117 km NNE of Hihifo, Tonga

A magnitude 4.3 earthquake struck 117 km NNE of Hihifo, Tonga on Wed, Feb 24, 2016, 12:40 PM GMT+14 (22:40 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.9 101 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-02-23 22:40:07 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
14.976° S, 173.380° 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 10.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.24
Depth from
Operator assigned
Station coverage gap
159°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.454 km NNW of Hihifo, Tonga · 3873 days ago · 184 km deep · 93 km away
  2. 4.4111 km NNE of Hihifo, Tonga · 3866 days ago · 47 km deep · 7 km away
  3. 5.9101 km NNE of Hihifo, Tonga · 3863 days ago · 33 km deep · 16 km away · felt by 5
  4. 5.3144 km NE of Hihifo, Tonga · 3860 days ago · 0 km deep · 66 km away · felt by 4
  5. 4.521 km NNE of Hihifo, Tonga · 3859 days ago · 107 km deep · 96 km away
  6. 5.3143 km N of Hihifo, Tonga · 3845 days ago · 17 km deep · 50 km away
  7. 4.664 km N of Hihifo, Tonga · 3844 days ago · 51 km deep · 71 km away
  8. 4.594 km N of Hihifo, Tonga · 3838 days ago · 17 km deep · 36 km away
  9. 4.694 km NNW of Hihifo, Tonga · 3834 days ago · 77 km deep · 72 km away
  10. 4.5141 km SSW of Gataivai, Samoa · 3819 days ago · 10 km deep · 48 km away

Before

  1. 4.589 km NE of Hihifo, Tonga · 3886 days ago · 10 km deep · 47 km away
  2. 4.7101 km ENE of Hihifo, Tonga · 3891 days ago · 10 km deep · 82 km away
  3. 5.891 km NNE of Hihifo, Tonga · 3893 days ago · 51 km deep · 27 km away · felt by 4
  4. 5.0135 km SSW of Gataivai, Samoa · 3894 days ago · 13 km deep · 53 km away
  5. 4.2140 km SSW of Gataivai, Samoa · 3898 days ago · 41 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10004sxf. Read Mon, Oct 5, 2026, 11:01 AM UTC.