Tonga earthquakes

M4.2 earthquake 82 km ESE of Hihifo, Tonga

A magnitude 4.2 earthquake struck 82 km ESE of Hihifo, Tonga on Fri, Feb 19, 2016, 10:24 AM GMT+14 (20:24 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.1 102 km E 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-02-18 20:24:09 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
16.301° S, 173.113° 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 11.2 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.20
Depth from
Operator assigned
Station coverage gap
94°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.8106 km SSE of Hihifo, Tonga · 3870 days ago · 56 km deep · 74 km away
  2. 4.154 km SSW of Hihifo, Tonga · 3860 days ago · 94 km deep · 100 km away
  3. 4.521 km NNE of Hihifo, Tonga · 3858 days ago · 107 km deep · 89 km away
  4. 5.1102 km E of Hihifo, Tonga · 3856 days ago · 10 km deep · 41 km away
  5. 4.554 km SSW of Hihifo, Tonga · 3837 days ago · 81 km deep · 98 km away
  6. 4.6110 km E of Hihifo, Tonga · 3826 days ago · 35 km deep · 47 km away

Before

  1. 4.397 km ESE of Hihifo, Tonga · 3883 days ago · 35 km deep · 15 km away
  2. 4.757 km SSW of Hihifo, Tonga · 3885 days ago · 35 km deep · 91 km away
  3. 4.864 km S of Hihifo, Tonga · 3887 days ago · 23 km deep · 72 km away
  4. 4.8116 km SSE of Hihifo, Tonga · 3888 days ago · 44 km deep · 77 km away
  5. 4.2114 km E of Hihifo, Tonga · 3890 days ago · 10 km deep · 54 km away
  6. 4.7109 km E of Hihifo, Tonga · 3890 days ago · 10 km deep · 47 km away
  7. 4.7101 km ENE of Hihifo, Tonga · 3890 days ago · 10 km deep · 83 km away
  8. 4.8117 km E of Hihifo, Tonga · 3903 days ago · 10 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10004rrl. Read Sun, Oct 4, 2026, 11:44 PM UTC.