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A typical "sand volcano" caused by liquefaction where the soil loses its strength during the earthquake and the silt rises upwards, ejecting out of a hole like magma in a volcano.
A photograph of a felt heart and sign sewn on a cordon fence around the site of the demolished Volcano Cafe on London Street in Lyttelton. Stitching on the sign reads, "Farewell sweet Volcano".
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Plastic and wood model of three liquefaction volcanoes. The working model pumps water over the grey surface which is decorated with a basket of laundry, a bucket of pegs and a football. The model is surrounded by artificial green grass and rests atop a black wooden base.
Lots of people were out and about in the streets checking on everyone after the earthquake. When it was clear that everyone was OK, the sand volcanos became the feature of interest.
Paradise ducks search for food among 'sand volcanoes' in the Heathcote Estuary. The volcanoes were caused by liquefaction where the soil lost its strength and water erupted out of the hole, taking silt with it.
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These were scattered across the park.
Sand volcano of liquefaction silt outside McDonald Hartshorne on Manchester Street.
Photos taken in Lyttelton showing the demolition of various buildings following the February 22 earthquake. File reference: CCL-2011-05-20-Lyttelton-Demolition-P1120472 From the collection of Christchurch City Libraries.
It would have been a glorious Spring day in Christchurch had it not been for the magnitude 7.1 earthquake at 4:30 am. All the water and silt you can see covering the street in this photo erupted from the ground following the earthquake.
Photograph captioned by Fairfax, "Volcano holes. Small volcano-shaped mounds indicate the force of water being pushed out by the earth's movement".
The earthquake knocked over the bird bath.
Photograph captioned by BeckerFraserPhotos, "Sand volcanoes in the Heathcote Estuary".
Photograph captioned by BeckerFraserPhotos, "Volcano cafe".
Photograph captioned by BeckerFraserPhotos, "Volcano Cafe".
A sand volcano in the Halswell Primary School grounds near the playground. Sand volcanoes were caused by liquefaction where the soil loses its strength during the earthquake and the silt rises upwards, ejecting out of a hole like magma in a volcano.
A "sand volcano" of liquefaction silt.
Mini silt volcanoes in their back yard.
A photograph of the sites of the demolished Lava Bar, Volcano Cafe, and Lyttelton Fisheries on London Street in Lyttelton.
This has made a huge mess for the residents to clean up. I heard on the news that homes have been damaged by subsidence in areas of earthquake-caused liquefaction like this.
A digger working on top of demolition rubble from the Volcano Cafe and Lava Bar on London Street in Lyttelton.
A photograph of liquefaction volcanos in a garden.
A photograph of liquefaction volcanos in a garden.
A photograph captioned by BeckerFraserPhotos, "The Port Hole bar has become an institution since it replaced the demolished Volcano cafe".
A digger working on top of demolition rubble from the Volcano Cafe and Lava Bar on London Street in Lyttelton.
Photograph captioned by BeckerFraserPhotos, "The Volcano Cafe showing the earthquake damage from 22nd February earthquake".