Answer:
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1)Landslides can be initiated in slopes already on the verge of movement by rainfall, snowmelt, changes in water level, stream erosion, changes in ground water, earthquakes, volcanic activity, disturbance by human activities, or any combination of these factors.
2)While a landslide occurs when loose dirt or sediment falls down a slope, a rockslide occurs only when solid rocks are transported down slope. ... Fast-flowing rock slides or debris slides behave similarly to snow avalanches, and are often referred to as rock avalanches or debris avalanches.
3)The ten most important landslide events of 2018
The Palu earthquake – three flowslides and a landslide-induced tsunami in Indonesia.
The Anak Krakatau landslide and tsunami in Indonesia. ...
Landslides triggered by the Papua New Guinea earthquake. ...
Landslides triggered by the Hokkaido earthquake in Japan. ..
Explanation:
