Tonga earthquakes

M4.3 earthquake 98 km NNE of Hihifo, Tonga

A magnitude 4.3 earthquake struck 98 km NNE of Hihifo, Tonga on Mon, Aug 26, 2019, 12:42 AM GMT+13 (11:42 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.9 121 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
4.3 (mb), light
Local time
UTC
2019-08-25 11:42:11 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.097° S, 173.549° 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 8.5 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
84°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.575 km NNW of Hihifo, Tonga · 2576 days ago · 63 km deep · 47 km away
  2. 5.794 km NE of Hihifo, Tonga · 2573 days ago · 10 km deep · 50 km away
  3. 4.985 km N of Hihifo, Tonga · 2572 days ago · 73 km deep · 34 km away
  4. 4.4103 km NNE of Hihifo, Tonga · 2569 days ago · 10 km deep · 16 km away
  5. 5.690 km ENE of Hihifo, Tonga · 2565 days ago · 10 km deep · 74 km away
  6. 4.7116 km NE of Hihifo, Tonga · 2553 days ago · 10 km deep · 68 km away
  7. 5.2126 km NE of Hihifo, Tonga · 2547 days ago · 10 km deep · 82 km away
  8. 4.8132 km NNE of Hihifo, Tonga · 2536 days ago · 10 km deep · 38 km away
  9. 5.9121 km NE of Hihifo, Tonga · 2535 days ago · 29 km deep · 59 km away · felt by 4
  10. 4.5109 km NE of Hihifo, Tonga · 2535 days ago · 10 km deep · 66 km away
  11. 4.9143 km NE of Hihifo, Tonga · 2535 days ago · 10 km deep · 77 km away

Before

  1. 4.746 km NNE of Hihifo, Tonga · 2602 days ago · 89 km deep · 52 km away
  2. 4.6100 km NNE of Hihifo, Tonga · 2614 days ago · 10 km deep · 20 km away
  3. 4.896 km ENE of Hihifo, Tonga · 2622 days ago · 10 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70005a89. Read Wed, Sep 30, 2026, 8:22 AM UTC.