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sand volcano

Images, eqnz.chch.2010

Robbie watches a sand volcano smother his driveway.

sand volcano versus vegetables

sand volcano

Images, eqnz.chch.2010

Debra points at the beginnings of a sand volcano not long after the big earthquake.

A 'sand volcano' of liquefaction silt in Bexley. The photographer comments, "Liquefaction is just a mixture of sand and water squeezed up from the ground, but with a little imagination it has a beauty in its untouched state".

BeckerFraserPhotos September 2010 photograph 090

Images, UC QuakeStudies

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.

Mark Lincoln Photograph 018

Images, UC QuakeStudies

Large cracks in the playing field in Porrit Park are surrounded by "volcanoes" of liquefaction silt.

sand volcano

Images, eqnz.chch.2010

Laura, Nicola, and Debra watch a sand volcano build in the Wyn Street gutter.

sand volcano

Images, eqnz.chch.2010

(I righted the bird bath after the initial earthquake. None of the after-shocks were sufficient to knock it over again.)

WEMO ERT Set 1 - March 2011 - Photograph 167

Images, UC QuakeStudies

A photograph of emergency management personnel examining a block of earthquake-damaged rooms at Stonehurst Accommodation on Gloucester Street. The bottom storey of the block has collapsed and the remaining rooms are now resting on an incline. The front walls of these rooms have also collapsed and the rubble has spilled in to the courtyard in front. Cordon tape has been draped across the courtyard in front of the rubble. In the foreground there is liquefaction on the ground from a liquefaction volcano.

sand volcano

Images, eqnz.chch.2010

And, yes, the newspaper always gets through! The Press newspapers were delivered in our area of Hoon Hay in the hours after the earthquake.

sand volcano in our front lawn

Images, eqnz.chch.2010

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Mark Lincoln Photograph 020

Images, UC QuakeStudies

A large crack in the playing field in Porrit Park is surrounded by "volcanoes" of liquefaction silt.

BeckerFraserPhotos December 2011 photograph 2316

Images, UC QuakeStudies

A photograph captioned by BeckerFraserPhotos, "The estuary situated behind Seabreeze Close in Bexley. The estuary shows signs of liquefaction with a large number of sand volcanoes appearing".

sand volcano crater