Tonga earthquakes

M4.9 earthquake Tonga region

A magnitude 4.9 earthquake struck in the Tonga region on Fri, Feb 18, 2022, 7:13 AM GMT+13 (18:13 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 240 km S of ‘Ohonua, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.9 (mww), light
Local time
UTC
2022-02-17 18:13:56 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
23.993° S, 175.664° 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.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 8.5 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
72°
Stations used
80

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 14 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 5.2261 km SSW of ‘Ohonua, Tonga · 1684 days ago · 10 km deep · 53 km away
  2. 4.5south of Tonga · 1680 days ago · 10 km deep · 67 km away
  3. 4.4south of Tonga · 1677 days ago · 10 km deep · 68 km away
  4. 4.5south of Tonga · 1677 days ago · 10 km deep · 89 km away
  5. 4.4293 km S of ‘Ohonua, Tonga · 1677 days ago · 10 km deep · 73 km away
  6. 4.4296 km SSW of ‘Ohonua, Tonga · 1665 days ago · 35 km deep · 47 km away
  7. 4.3Tonga region · 1655 days ago · 10 km deep · 80 km away
  8. 5.0234 km S of ‘Ohonua, Tonga · 1654 days ago · 10 km deep · 80 km away
  9. 4.5284 km SSW of ‘Ohonua, Tonga · 1654 days ago · 10 km deep · 42 km away
  10. 4.6235 km S of ‘Ohonua, Tonga · 1653 days ago · 10 km deep · 86 km away
  11. 4.8276 km S of ‘Ohonua, Tonga · 1652 days ago · 10 km deep · 50 km away
  12. 5.4240 km S of ‘Ohonua, Tonga · 1651 days ago · 10 km deep · 67 km away
  13. 5.0260 km S of ‘Ohonua, Tonga · 1651 days ago · 10 km deep · 50 km away
  14. 5.0234 km S of ‘Ohonua, Tonga · 1645 days ago · 10 km deep · 81 km away

Before

  1. 5.0south of Tonga · 1686 days ago · 10 km deep · 23 km away
  2. 4.9251 km SSW of ‘Ohonua, Tonga · 1691 days ago · 10 km deep · 57 km away
  3. 4.9264 km S of ‘Ohonua, Tonga · 1691 days ago · 10 km deep · 58 km away
  4. 4.6south of the Fiji Islands · 1691 days ago · 59 km deep · 44 km away
  5. 4.4south of the Fiji Islands · 1693 days ago · 51 km deep · 56 km away
  6. 4.2241 km SSW of ‘Ohonua, Tonga · 1694 days ago · 10 km deep · 66 km away
  7. 5.0282 km SSW of ‘Ohonua, Tonga · 1694 days ago · 10 km deep · 33 km away
  8. 5.2266 km SSW of ‘Ohonua, Tonga · 1695 days ago · 10 km deep · 37 km away
  9. 5.0284 km SSW of ‘Ohonua, Tonga · 1695 days ago · 10 km deep · 21 km away
  10. 4.5south of Tonga · 1699 days ago · 10 km deep · 9 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000glrd. Read Wed, Sep 30, 2026, 5:45 AM UTC.