Tonga earthquakes

M4.6 earthquake 142 km NE of Hihifo, Tonga

A magnitude 4.6 earthquake struck 142 km NE of Hihifo, Tonga on Tue, Apr 30, 2019, 12:38 AM GMT+13 (11:38 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M5.1 103 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
4.6 (mb), light
Local time
UTC
2019-04-29 11:38:24 UTC
Depth
22.2 km (13.8 mi), shallow
Epicenter
15.186° S, 172.733° 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 12.7 km horizontally, 7.7 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
170°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 9 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.6105 km NE of Hihifo, Tonga · 2711 days ago · 10 km deep · 54 km away
  2. 4.5104 km NE of Hihifo, Tonga · 2710 days ago · 10 km deep · 39 km away
  3. 5.1103 km NE of Hihifo, Tonga · 2688 days ago · 10 km deep · 47 km away
  4. 4.5128 km ENE of Hihifo, Tonga · 2679 days ago · 10 km deep · 46 km away
  5. 4.4104 km NNE of Hihifo, Tonga · 2675 days ago · 10 km deep · 78 km away
  6. 4.6107 km NE of Hihifo, Tonga · 2670 days ago · 10 km deep · 50 km away
  7. 4.4110 km NNE of Hihifo, Tonga · 2667 days ago · 10 km deep · 58 km away
  8. 4.5117 km NE of Hihifo, Tonga · 2666 days ago · 10 km deep · 41 km away
  9. 4.6150 km E of Hihifo, Tonga · 2664 days ago · 10 km deep · 96 km away

Before

  1. 4.9104 km NE of Hihifo, Tonga · 2718 days ago · 10 km deep · 41 km away
  2. 4.594 km NE of Hihifo, Tonga · 2721 days ago · 10 km deep · 53 km away
  3. 6.0121 km ENE of Hihifo, Tonga · 2728 days ago · 15 km deep · 26 km away · felt by 10
  4. 5.295 km ENE of Hihifo, Tonga · 2732 days ago · 10 km deep · 53 km away
  5. 5.2103 km ENE of Hihifo, Tonga · 2732 days ago · 10 km deep · 46 km away
  6. 5.2139 km NE of Hihifo, Tonga · 2735 days ago · 10 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003dz4. Read Wed, Sep 30, 2026, 7:47 PM UTC.