Tonga earthquakes

M4.3 earthquake 147 km N of Hihifo, Tonga

A magnitude 4.3 earthquake struck 147 km N of Hihifo, Tonga on Tue, May 17, 2016, 3:06 AM GMT+13 (14:06 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.0 115 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
2016-05-16 14:06:09 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
14.648° S, 173.545° 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 13.8 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.22
Depth from
Operator assigned
Station coverage gap
179°
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 4 in the 30 days before it.

After

  1. 4.6104 km NNE of Hihifo, Tonga · 3789 days ago · 23 km deep · 45 km away
  2. 4.9134 km NE of Hihifo, Tonga · 3789 days ago · 10 km deep · 92 km away
  3. 4.468 km NNW of Hihifo, Tonga · 3766 days ago · 70 km deep · 99 km away
  4. 4.5103 km NE of Hihifo, Tonga · 3765 days ago · 10 km deep · 88 km away
  5. 4.687 km NE of Hihifo, Tonga · 3747 days ago · 20 km deep · 93 km away
  6. 4.6135 km NNE of Hihifo, Tonga · 3746 days ago · 30 km deep · 47 km away
  7. 4.7141 km NE of Hihifo, Tonga · 3746 days ago · 40 km deep · 72 km away
  8. 4.668 km N of Hihifo, Tonga · 3739 days ago · 67 km deep · 84 km away
  9. 5.8142 km NE of Hihifo, Tonga · 3738 days ago · 8 km deep · 83 km away
  10. 6.0115 km NNE of Hihifo, Tonga · 3738 days ago · 8 km deep · 61 km away

Before

  1. 4.5108 km NNE of Hihifo, Tonga · 3801 days ago · 10 km deep · 62 km away
  2. 4.4107 km NNE of Hihifo, Tonga · 3802 days ago · 35 km deep · 52 km away
  3. 4.7110 km NNE of Hihifo, Tonga · 3810 days ago · 35 km deep · 49 km away
  4. 4.5141 km SSW of Gataivai, Samoa · 3818 days ago · 10 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10005jkl. Read Sun, Oct 4, 2026, 9:57 PM UTC.