Tonga earthquakes

M4.6 earthquake 25 km NNW of Hihifo, Tonga

A magnitude 4.6 earthquake struck 25 km NNW of Hihifo, Tonga on Sat, Jan 19, 2019, 1:15 AM GMT+14 (11:15 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M5.3 113 km WNW 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), light
Local time
UTC
2019-01-18 11:15:17 UTC
Depth
46.5 km (28.9 mi), shallow
Epicenter
15.746° S, 173.899° 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 10.6 km horizontally, 5.5 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
83°
Stations used
68

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 11 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 5.0100 km NNE of Hihifo, Tonga · 2805 days ago · 10 km deep · 87 km away
  2. 4.977 km E of Hihifo, Tonga · 2804 days ago · 10 km deep · 95 km away
  3. 4.934 km NE of Hihifo, Tonga · 2804 days ago · 35 km deep · 32 km away
  4. 5.059 km NNE of Hihifo, Tonga · 2803 days ago · 93 km deep · 46 km away
  5. 5.198 km NNE of Hihifo, Tonga · 2788 days ago · 10 km deep · 83 km away · felt by 1
  6. 5.3113 km WNW of Hihifo, Tonga · 2783 days ago · 296 km deep · 99 km away
  7. 4.7102 km NE of Hihifo, Tonga · 2776 days ago · 10 km deep · 94 km away
  8. 4.664 km WSW of Hihifo, Tonga · 2772 days ago · 100 km deep · 68 km away
  9. 4.557 km SSE of Hihifo, Tonga · 2761 days ago · 100 km deep · 84 km away
  10. 4.963 km NNW of Hihifo, Tonga · 2759 days ago · 41 km deep · 38 km away
  11. 4.3100 km NNE of Hihifo, Tonga · 2752 days ago · 10 km deep · 83 km away

Before

  1. 4.5100 km NNE of Hihifo, Tonga · 2812 days ago · 9 km deep · 88 km away
  2. 5.1104 km NNE of Hihifo, Tonga · 2813 days ago · 10 km deep · 91 km away · felt by 2
  3. 4.5106 km NNE of Hihifo, Tonga · 2836 days ago · 36 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000jbxy. Read Tue, Sep 29, 2026, 3:08 AM UTC.