Stream or wave erosion, as well as road construction are common instigators for slumping.
Meanwhile, the country's best beaches began to disappear as a result of wave erosion.
They rolled the rocks into place on top of the slag with ropes and pulleys, a protective crust against wave erosion.
Their capacity to limit high-energy wave erosion is limited to events such as storm surges and tsunamis.
This type of beach resists wave erosion, and has ecological niches which can provide habitat for animals and plants.
This lake became a waterfowl haven, but has since been breached by wave erosion.
For protecting surfaces from wave erosion and similar attack, rather than building or supporting high structures.
Through the years, the lighthouse suffered from vandalism, disrepair, and wave erosion.
However, eruptions more than kept pace with wave erosion, and by February 1964, the island had a maximum diameter of over 1300 metres (4265 ft).
Once the eruptions had ceased, wave erosion rapidly wore the island away, and it disappeared beneath the waves on 24 October.