Digger driver prods the earth with bucket and it ripples like water

Incredible moment digger driver prods the earth with his bucket and it ripples like water

  • Digger operator in British Columbia, Canada captured video of earth wobbling
  • Bucket of the digger is used to prod the earth to create strange rippling effect
  • Soil liquefaction is the phenomenon when soil is saturated and loses its stiffness 

This is the bizarre moment the ground beneath a digger wobbles and ripples like a giant waterbed. 

In the video, which was filmed by the operator of a digger in Kitimat, British Columbia, Canada, a large area of sand can be seen moving like waves.

The construction worker appears to tempt fate by prodding the unstable surface with the bucket of the digger.

Footage shows the operator of a digger in Kitimat, British Columbia, Canada prodding the ground with digger as it wobbles

A strange rippling effect in the soil is created which looks as though it could open up into a sink hole at any moment

The rippling of the sand is believed to be caused by a phenomenon called soil liquefaction.

This is when the ground is saturated with water and then becomes stressed from a sudden movement such as the shaking from an earthquake – or the bucket of a digger.


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The ground then loses its strength and stiffness causing it to behave like water.

The phenomenon can be dangerous and during earthquakes cars, roads and even buildings can be sucked below the surface. 


The phenomenon is known as soil liquefaction where water saturated ground behave like liquid under stress

In 2011, Japan was hit by a devastating magnitude nine earthquake which caused widespread liquefaction.

Areas with a high water to soil ratio near coastlines, harbours and rivers were most affected by the phenomenon.

Hundreds of streets in Christchurch, New Zealand, were also destroyed by liquefaction during a 6.3 magnitude earthquake in 2011.

Roads were covered in silt thrown up from the ground after liquefaction occurred as a result of the earthquake. 

The ground is often saturated with water which creates a moving and rippling sinkhole effect

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