The magnitude 7.1 Christchurch earthquake broke off an enormous chunk of Castle Rock in the Port Hills which has tumbled down towards the Lyttelton tunnel.
View from Morgan's Valley (-43.578037° 172.714828°).
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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.
Debra points at the beginnings of a sand volcano not long after the big earthquake.
Sand volcanoes put the silt all over the road.
An usual thing to see coming from the ground in Hoon Hay, Christchurch.
The earthquake knocked over the bird bath.
(I righted the bird bath after the initial earthquake. None of the after-shocks were sufficient to knock it over again.)
Laura, Nicola, and Debra watch a sand volcano build in the Wyn Street gutter.
And, yes, the newspaper always gets through! The Press newspapers were delivered in our area of Hoon Hay in the hours after the earthquake.
One of the many sand volcanos erupting from the ground after the Christchurch earthquake.
Laura and Max return to Christchurch from their holiday in California and inspect the earthquake-caused sand volcano in their front lawn.
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.