Tonga earthquakes

M4.6 earthquake 56 km N of Hihifo, Tonga

A magnitude 4.6 earthquake struck 56 km N of Hihifo, Tonga on Wed, Feb 22, 2017, 3:29 PM GMT+14 (01:29 UTC), 69 km (43 mi) below the surface.

A larger quake followed: M5.1 19 km SSW 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-02-22 01:29:04 UTC
Depth
68.9 km (42.8 mi), shallow
Epicenter
15.444° S, 173.755° 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 5.5 km horizontally, 10.3 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
145°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 16 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.745 km NE of Hihifo, Tonga · 3509 days ago · 10 km deep · 45 km away
  2. 4.398 km NNE of Hihifo, Tonga · 3502 days ago · 35 km deep · 49 km away
  3. 4.460 km N of Hihifo, Tonga · 3497 days ago · 113 km deep · 4 km away
  4. 4.3108 km N of Hihifo, Tonga · 3497 days ago · 32 km deep · 52 km away
  5. 4.749 km SW of Hihifo, Tonga · 3486 days ago · 127 km deep · 96 km away
  6. 4.5126 km N of Hihifo, Tonga · 3485 days ago · 10 km deep · 71 km away
  7. 4.538 km NW of Hihifo, Tonga · 3483 days ago · 103 km deep · 50 km away
  8. 4.7114 km N of Hihifo, Tonga · 3482 days ago · 10 km deep · 59 km away
  9. 4.626 km N of Hihifo, Tonga · 3476 days ago · 66 km deep · 32 km away
  10. 4.827 km NNE of Hihifo, Tonga · 3476 days ago · 35 km deep · 34 km away
  11. 4.516 km SSE of Hihifo, Tonga · 3474 days ago · 110 km deep · 73 km away
  12. 5.064 km NNE of Hihifo, Tonga · 3473 days ago · 71 km deep · 11 km away
  13. 4.485 km N of Hihifo, Tonga · 3467 days ago · 48 km deep · 29 km away
  14. 4.492 km NNW of Hihifo, Tonga · 3458 days ago · 102 km deep · 48 km away
  15. 5.119 km SSW of Hihifo, Tonga · 3455 days ago · 97 km deep · 77 km away
  16. 4.536 km ESE of Hihifo, Tonga · 3454 days ago · 129 km deep · 80 km away

Before

  1. 4.4111 km NE of Hihifo, Tonga · 3512 days ago · 8 km deep · 69 km away
  2. 4.252 km WSW of Hihifo, Tonga · 3529 days ago · 157 km deep · 97 km away
  3. 5.4111 km NE of Hihifo, Tonga · 3534 days ago · 37 km deep · 77 km away · felt by 4

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100086iw. Read Fri, Oct 2, 2026, 6:29 PM UTC.