Tonga earthquakes

M4.5 earthquake 100 km NNE of Hihifo, Tonga

A magnitude 4.5 earthquake struck 100 km NNE of Hihifo, Tonga on Thu, Jan 17, 2019, 9:51 AM GMT+14 (19:51 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M5.3 119 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
4.5 (mb), light
Local time
UTC
2019-01-16 19:51:14 UTC
Depth
9.1 km (5.6 mi), shallow
Epicenter
15.143° S, 173.373° 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 9.8 km horizontally, 5.7 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
142°
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: 13 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.4116 km NNE of Hihifo, Tonga · 2810 days ago · 10 km deep · 16 km away
  2. 4.625 km NNW of Hihifo, Tonga · 2810 days ago · 47 km deep · 88 km away
  3. 4.9117 km NE of Hihifo, Tonga · 2806 days ago · 10 km deep · 26 km away
  4. 5.0100 km NNE of Hihifo, Tonga · 2804 days ago · 10 km deep · 0 km away
  5. 4.934 km NE of Hihifo, Tonga · 2803 days ago · 35 km deep · 67 km away
  6. 5.059 km NNE of Hihifo, Tonga · 2802 days ago · 93 km deep · 42 km away
  7. 5.3119 km NE of Hihifo, Tonga · 2798 days ago · 10 km deep · 38 km away
  8. 4.2128 km NE of Hihifo, Tonga · 2794 days ago · 10 km deep · 34 km away
  9. 5.198 km NNE of Hihifo, Tonga · 2787 days ago · 10 km deep · 13 km away · felt by 1
  10. 4.7131 km NE of Hihifo, Tonga · 2778 days ago · 10 km deep · 53 km away
  11. 4.7102 km NE of Hihifo, Tonga · 2775 days ago · 10 km deep · 22 km away
  12. 4.7140 km SSW of Gataivai, Samoa · 2764 days ago · 10 km deep · 73 km away
  13. 4.963 km NNW of Hihifo, Tonga · 2758 days ago · 41 km deep · 71 km away

Before

  1. 5.1104 km NNE of Hihifo, Tonga · 2812 days ago · 10 km deep · 4 km away · felt by 2
  2. 4.5106 km NNE of Hihifo, Tonga · 2835 days ago · 36 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000jbt3. Read Mon, Sep 28, 2026, 4:35 AM UTC.