Geography - Natural hazards

Question 1

Nepal earthquake primary effects (7.8)

Answer 1

600k houses destroyed
8841 dead 16800 injured
50% schools destroyed
Million homeless

Question 2

Typhoon hayan primary effrcts

Answer 2

7,000 killed - 6,000,000 displaced
90% of Tacloban destroyed
$53mill woth of rice and seed lost
5.8 billion worth of damage
Fishsing severly affectrd - 30,00 boats destroyed
Government devasted, only 70/2500 showed up to work immediately after

Question 3

Secondary effects of typhoon

Answer 3

8 died in stampede for food supplies
800,000 litre oil spill after tanker ran aground, no fishing
Disease outbreak (typhus)

Question 4

Typhoon formation

Answer 4

1. 27•C sea temp reuqired, depth>50m
2. Coriolis effect required to cause warm air to circulate and form storm
3. Air rises rapidly (27 degrees), low pressure
4. Rising air draws more air and moisture from ocean causing strong winds
5. Air rises, cools and condenses to from towering cumulonimbus clouds which generate torrential rainfall
6. The heat given off when air cooled powers the storm
7. The Coriolis effect causes air to spin upwards around a calm central eye of the storm
8. The storm travels across the ocean in the prevailing wind