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.
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.
A "sand volcano" of liquefaction silt.
A sand volcano in the Halswell Primary School grounds near the playground. 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.
Photograph captioned by Fairfax, "Sand volcanos on farmland near Halswell".
Photograph captioned by Fairfax, "Sand volcanos on farmland near Halswell".
A photograph of the remains of a large sand volcano on a farm near River Road in Lincoln.
A photograph of the remains of a large sand volcano on a farm near River Road in Lincoln.
A photograph of a rotary hoe being used to remediate a large sand volcano on a farm near River Road in Lincoln.
A photograph of a rotary hoe being used to remediate a large sand volcano on a farm near River Road in Lincoln.
Photograph captioned by Fairfax, "Ground features. Sue Irvine's Halswell property was flooded by sand volcanoes and included bubbled-up areas of earth".
A photograph of a large sand volcano on a farm near River Road in Lincoln being spread out with multiple power-harrow passes.