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Laura, Nicola, and Debra watch a sand volcano build in the Wyn Street gutter.
Photo of the damage caused by the 7.1 earthquake that hit Christchuch on the 4th of September 2010.
Debra points at the beginnings of a sand volcano not long after the big earthquake.
And, yes, the newspaper always gets through! The Press newspapers were delivered in our area of Hoon Hay in the hours after the earthquake.
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(I righted the bird bath after the initial earthquake. None of the after-shocks were sufficient to knock it over again.)
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This one was really flowing out of the ground.
Robbie watches a sand volcano smother his driveway.
A photograph of a silt volcano. Silt volcanoes are caused by liquefaction, when 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 in the Halswell Primary School grounds. 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.
Yes, it was a joke. The tours, that is, not the yard filled with earthquake-caused sand volcanos. They were very real. You can see one covering the driveway in this photo.
The signs read as follows.
"Tours run 1/2 hourly.
$5.25 admission.
Eftpos unavailable."
"If you think this is bad... you should see the back!"
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An usual thing to see coming from the ground in Hoon Hay, Christchurch.
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More volcanos
Liquification volcanos
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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.
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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.
