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This one was really flowing out of the ground.
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These were scattered across the park.
Robbie watches a sand volcano smother his driveway.
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Sand volcanoes put the silt all over the road.
The earthquake knocked over the bird bath.
Debra points at the beginnings of a sand volcano not long after the big earthquake.
An usual thing to see coming from the ground in Hoon Hay, Christchurch.