Tonga earthquakes

M4.7 earthquake 101 km NNE of Hihifo, Tonga

A magnitude 4.7 earthquake struck 101 km NNE of Hihifo, Tonga on Wed, Jan 18, 2017, 10:50 PM GMT+14 (08:50 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M5.4 111 km NE 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-01-18 08:50:17 UTC
Depth
23.7 km (14.7 mi), shallow
Epicenter
15.107° S, 173.426° 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 7.2 km horizontally, 5.1 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
86°
Stations used
47

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 5.096 km ENE of Hihifo, Tonga · 3542 days ago · 37 km deep · 74 km away
  2. 5.4111 km NE of Hihifo, Tonga · 3534 days ago · 37 km deep · 40 km away · felt by 4
  3. 4.4111 km NE of Hihifo, Tonga · 3513 days ago · 8 km deep · 24 km away
  4. 4.656 km N of Hihifo, Tonga · 3510 days ago · 69 km deep · 51 km away
  5. 4.745 km NE of Hihifo, Tonga · 3510 days ago · 10 km deep · 68 km away
  6. 4.398 km NNE of Hihifo, Tonga · 3503 days ago · 35 km deep · 3 km away
  7. 4.460 km N of Hihifo, Tonga · 3498 days ago · 113 km deep · 47 km away
  8. 4.3108 km N of Hihifo, Tonga · 3497 days ago · 32 km deep · 30 km away
  9. 4.5126 km N of Hihifo, Tonga · 3485 days ago · 10 km deep · 58 km away

Before

  1. 4.828 km NE of Hihifo, Tonga · 3545 days ago · 82 km deep · 77 km away
  2. 5.5109 km NNE of Hihifo, Tonga · 3549 days ago · 5 km deep · 17 km away · felt by 4
  3. 4.288 km NNW of Hihifo, Tonga · 3550 days ago · 381 km deep · 61 km away
  4. 4.689 km NNW of Hihifo, Tonga · 3556 days ago · 10 km deep · 68 km away
  5. 4.576 km NNW of Hihifo, Tonga · 3556 days ago · 10 km deep · 69 km away
  6. 4.5104 km NNE of Hihifo, Tonga · 3558 days ago · 10 km deep · 9 km away
  7. 4.454 km E of Hihifo, Tonga · 3572 days ago · 33 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10007twa. Read Sat, Oct 3, 2026, 8:15 AM UTC.