Tonga earthquakes

M4.4 earthquake 111 km NE of Hihifo, Tonga

A magnitude 4.4 earthquake struck 111 km NE of Hihifo, Tonga on Mon, Feb 20, 2017, 5:31 AM GMT+14 (15:31 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M5.0 64 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-02-19 15:31:43 UTC
Depth
8.4 km (5.3 mi), shallow
Epicenter
15.127° S, 173.207° 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 9.7 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
188°, poorly surrounded by stations
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: 13 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.656 km N of Hihifo, Tonga · 3511 days ago · 69 km deep · 69 km away
  2. 4.745 km NE of Hihifo, Tonga · 3510 days ago · 10 km deep · 70 km away
  3. 4.398 km NNE of Hihifo, Tonga · 3503 days ago · 35 km deep · 23 km away
  4. 4.460 km N of Hihifo, Tonga · 3498 days ago · 113 km deep · 65 km away
  5. 4.3108 km N of Hihifo, Tonga · 3498 days ago · 32 km deep · 52 km away
  6. 4.5126 km N of Hihifo, Tonga · 3486 days ago · 10 km deep · 79 km away
  7. 4.7114 km N of Hihifo, Tonga · 3482 days ago · 10 km deep · 46 km away
  8. 4.626 km N of Hihifo, Tonga · 3477 days ago · 66 km deep · 94 km away
  9. 4.827 km NNE of Hihifo, Tonga · 3477 days ago · 35 km deep · 85 km away
  10. 5.064 km NNE of Hihifo, Tonga · 3473 days ago · 71 km deep · 57 km away
  11. 4.485 km N of Hihifo, Tonga · 3468 days ago · 48 km deep · 54 km away
  12. 4.693 km E of Hihifo, Tonga · 3465 days ago · 35 km deep · 98 km away
  13. 4.492 km NNW of Hihifo, Tonga · 3459 days ago · 102 km deep · 97 km away

Before

  1. 5.4111 km NE of Hihifo, Tonga · 3535 days ago · 37 km deep · 18 km away · felt by 4
  2. 5.096 km ENE of Hihifo, Tonga · 3542 days ago · 37 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100085rk. Read Sat, Oct 3, 2026, 3:12 PM UTC.