Natural Disasters quiz

Earthquakes are natural shaking of the

lithosphere

why do plates move

convection currents of magma under surface

each number on the Richter/earthquake magnitude scale is __x stronger

10 (3 is 10x stronger than 2 and 100x stronger than 1)

hazards of earthquakes

buildings collapse, landslides, damaged roads, ruptured gas, water, and power lines

eq safety

hide under something, doorway, don’t run, detect early tremors, schools do drills in CA

what causes tsunamis

disruption on the ocean floor (eq, volcano, landslide)

pyroclastic flow

fast moving mixture of poisonous gas, ash, rock, and lava from a volcano