Natural Disasters Flashcards
what are natural events?
Incidents, which occur naturally e.g. a major flood, a tornado or a volcano erupting. But happen where no one lives
How can Natural events turn into Natural hazard?
When the flood, tornado, or erupting volcano effects man made buildings or places.
How can a Natural hazard turn into and Natural disaster?
When the natural hazard effects human lives e.g. diseases break out.
Whats the crust?
The outer most part of the earth’s structure
what is the core?
the inner most part of the earth’s structure
what is the mantle?
The largest and semi molten part of the earth’s structure
What are the plate boundaries/margins?
The place where two or more tectonic plates meet
What are convection currents?
Movement with the earths mantle that drives tectonic plates to move.
What is a continental Drift?
The gradual movement of the continents across the earths surface through geological time.
What are tectonic plates?
the division of the earths crust.
What year was the Japan earthquake and tsunami?
2011
On average how much was the damage cost?
35 billion
How many people were confirmed dead in the japan 2011?
15,891
What causes a tropical storm?
Tropical storms only occur over warm ocean waters near the equator. The warm moist air over the ocean, rises upwards from near the surface.
What are the effects of a tropical storm?
Heavy rain, strong winds and large storm surges over land from the sea.