Which of the following is NOT a common trigger for slope failure?

A) adding water to a slope
B) volcanic eruption
C) shaking during an earthquake
D) oversteepening of cliffs or hillslopes during road construction
E) all of these are common triggers for slope failure

Volcanic Eruption

The process of magma, ash, and gases being expelled from a volcano, which can have significant impacts on landscapes, atmospheres, and human populations.

Oversteepening

A geomorphological process where slopes become excessively steep in relation to the stability of their materials and gravitational forces, often leading to landslides.