BeckerFraserPhotos June 2011 photograph 332
A "sand volcano" in the Heathcote Estuary. The volcano was caused by liquefaction, where the soil lost its strength and water erupted out of the hole, taking silt with it.
A "sand volcano" in the Heathcote Estuary. The volcano was caused by liquefaction, where the soil lost its strength and water erupted out of the hole, taking silt with it.