Which of the following describes a landslide? The rapid downward movement of large amounts of rocks, soil or mud.. Which of the following does NOT normally happen after a landslide? Violent storms. Which wouldn't be another name for a landslide? waterslide. How might you know that a landslide is starting? All of the above. Volcanoes often cause landslides. Why do you think that is? The sides of volcanoes can be steep, and when it erupts the sides are weakened and can collapse.. Which describes a Tsunami? A large ocean wave that can strike the land.. Which of these CAN'T cause a tsunami? landslide. How might you be warned that a tsunami might be coming? Ocean water recedes, exposing the ocean life. What is a flood? overflow of water from lakes, rivers, and the ocean, usually because of heavy rains. Which of these events does NOT cause a rapid change to Earth's surface? Weathering and erosion. What is a volcano? when there is a break in earth's crust and magma flows to the surface. Which of the following is not a possible result of a volcanic eruption? hurricanes. What is the top part of the Earth's surface called? crust. What is an earthquake?? a sudden violent shaking of the ground caused by movements in earth's crust. Where do most earthquakes happen? the borders of the earths' tectonic plates