Tonga earthquakes

M4.2 earthquake 128 km NE of Hihifo, Tonga

A magnitude 4.2 earthquake struck 128 km NE of Hihifo, Tonga on Mon, Feb 4, 2019, 6:26 AM GMT+14 (16:26 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.1 98 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
4.2 (mb), light
Local time
UTC
2019-02-03 16:26:21 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.018° S, 173.083° 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 7.0 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.26
Depth from
Operator assigned
Station coverage gap
131°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 5.198 km NNE of Hihifo, Tonga · 2788 days ago · 10 km deep · 45 km away · felt by 1
  2. 4.7131 km NE of Hihifo, Tonga · 2779 days ago · 10 km deep · 27 km away
  3. 4.7102 km NE of Hihifo, Tonga · 2776 days ago · 10 km deep · 27 km away
  4. 4.7140 km SSW of Gataivai, Samoa · 2765 days ago · 10 km deep · 40 km away
  5. 4.3100 km NNE of Hihifo, Tonga · 2752 days ago · 10 km deep · 50 km away
  6. 4.682 km NE of Hihifo, Tonga · 2750 days ago · 10 km deep · 48 km away
  7. 4.7142 km NE of Hihifo, Tonga · 2748 days ago · 100 km deep · 48 km away

Before

  1. 5.3119 km NE of Hihifo, Tonga · 2799 days ago · 10 km deep · 19 km away
  2. 5.059 km NNE of Hihifo, Tonga · 2803 days ago · 93 km deep · 73 km away
  3. 4.934 km NE of Hihifo, Tonga · 2804 days ago · 35 km deep · 94 km away
  4. 5.0100 km NNE of Hihifo, Tonga · 2805 days ago · 10 km deep · 34 km away
  5. 4.9117 km NE of Hihifo, Tonga · 2807 days ago · 10 km deep · 11 km away
  6. 4.4116 km NNE of Hihifo, Tonga · 2811 days ago · 10 km deep · 28 km away
  7. 4.5100 km NNE of Hihifo, Tonga · 2812 days ago · 9 km deep · 34 km away
  8. 5.1104 km NNE of Hihifo, Tonga · 2813 days ago · 10 km deep · 31 km away · felt by 2

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000jn8c. Read Tue, Sep 29, 2026, 1:20 AM UTC.