Tonga earthquakes

M4.3 earthquake 100 km NNE of Hihifo, Tonga

A magnitude 4.3 earthquake struck 100 km NNE of Hihifo, Tonga on Mon, Mar 18, 2019, 7:55 PM GMT+14 (05:55 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.0 121 km ENE 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-03-18 05:55:22 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.080° S, 173.546° 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 7.7 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.17
Depth from
Operator assigned
Station coverage gap
104°
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: 12 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.682 km NE of Hihifo, Tonga · 2753 days ago · 10 km deep · 48 km away
  2. 4.7142 km NE of Hihifo, Tonga · 2751 days ago · 100 km deep · 93 km away
  3. 5.2139 km NE of Hihifo, Tonga · 2737 days ago · 10 km deep · 61 km away
  4. 4.535 km N of Hihifo, Tonga · 2733 days ago · 40 km deep · 67 km away
  5. 5.2103 km ENE of Hihifo, Tonga · 2733 days ago · 10 km deep · 87 km away
  6. 5.295 km ENE of Hihifo, Tonga · 2733 days ago · 10 km deep · 83 km away
  7. 6.0121 km ENE of Hihifo, Tonga · 2730 days ago · 15 km deep · 86 km away · felt by 10
  8. 4.594 km NE of Hihifo, Tonga · 2722 days ago · 10 km deep · 45 km away
  9. 4.9104 km NE of Hihifo, Tonga · 2720 days ago · 10 km deep · 52 km away
  10. 4.6142 km NE of Hihifo, Tonga · 2713 days ago · 22 km deep · 88 km away
  11. 4.6105 km NE of Hihifo, Tonga · 2712 days ago · 10 km deep · 35 km away
  12. 4.5104 km NE of Hihifo, Tonga · 2712 days ago · 10 km deep · 62 km away

Before

  1. 4.963 km NNW of Hihifo, Tonga · 2761 days ago · 41 km deep · 59 km away
  2. 4.7140 km SSW of Gataivai, Samoa · 2768 days ago · 10 km deep · 91 km away
  3. 4.7102 km NE of Hihifo, Tonga · 2779 days ago · 10 km deep · 41 km away
  4. 4.7131 km NE of Hihifo, Tonga · 2782 days ago · 10 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000jlva. Read Fri, Oct 2, 2026, 2:29 AM UTC.