Tonga earthquakes

M5.1 earthquake 104 km NNE of Hihifo, Tonga

A magnitude 5.1 earthquake struck 104 km NNE of Hihifo, Tonga on Wed, Jan 16, 2019, 10:16 PM GMT+14 (08:16 UTC), 10 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
5.1 (mb), moderate
Local time
UTC
2019-01-16 08:16:57 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.118° S, 173.348° W
Region
Tonga
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 8.1 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
84°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 14 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.5100 km NNE of Hihifo, Tonga · 2812 days ago · 9 km deep · 4 km away
  2. 4.4116 km NNE of Hihifo, Tonga · 2811 days ago · 10 km deep · 13 km away
  3. 4.625 km NNW of Hihifo, Tonga · 2810 days ago · 47 km deep · 91 km away
  4. 4.9117 km NE of Hihifo, Tonga · 2806 days ago · 10 km deep · 23 km away
  5. 5.0100 km NNE of Hihifo, Tonga · 2805 days ago · 10 km deep · 4 km away
  6. 4.934 km NE of Hihifo, Tonga · 2804 days ago · 35 km deep · 70 km away
  7. 5.059 km NNE of Hihifo, Tonga · 2803 days ago · 93 km deep · 46 km away
  8. 5.3119 km NE of Hihifo, Tonga · 2798 days ago · 10 km deep · 36 km away
  9. 4.2128 km NE of Hihifo, Tonga · 2794 days ago · 10 km deep · 31 km away
  10. 5.198 km NNE of Hihifo, Tonga · 2787 days ago · 10 km deep · 16 km away · felt by 1
  11. 4.7131 km NE of Hihifo, Tonga · 2778 days ago · 10 km deep · 50 km away
  12. 4.7102 km NE of Hihifo, Tonga · 2776 days ago · 10 km deep · 21 km away
  13. 4.7140 km SSW of Gataivai, Samoa · 2765 days ago · 10 km deep · 70 km away
  14. 4.963 km NNW of Hihifo, Tonga · 2758 days ago · 41 km deep · 75 km away

Before

  1. 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 us2000j4fa (also filed as iscgem614572465). Read Mon, Sep 28, 2026, 4:17 PM UTC.