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Catastrophic Events. What is a catastrophic event?. Sudden, usually naturally occurring situations where change and destruction occur. Some are man made, some are caused by nature. 3 Groups of Catastrophic Events. Weather event: hurricane, tornado, flood
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What is a catastrophic event? • Sudden, usually naturally occurring situations where change and destruction occur. • Some are man made, some are caused by nature.
3 Groups of Catastrophic Events • Weather event: hurricane, tornado, flood • Geological Event: volcano, earthquake, tsunami • Human Error: wildfires
Catastrophic Events • All catastrophic events are the Earth’s way of maintaining equilibrium during change.
Earthquakes Features: Strong vibrations. Formed: Earth’s surface releases energy which causes vibrations. Occurs: Along fault lines Environmental Impact: Landslides, mudslides, broken gas lines, destruction of buildings, avalanches, fires, breaks in the ground, tsunamis. Human Impact: loss of life, property damage
Wildfire • Main Features: intense fires over a large area. They can produce winds that can be 10x stronger giving fire more oxygen.