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336,000 people
There is no specific global count of how many people live in disaster zones around the world as this can vary greatly depending on the specific disaster and region. However, it is estimated that millions of people are affected by disasters each year, leading to displacement and humanitarian crises.
Minamata, Japan was the site of one of the worst mercury pollution disasters in history. The Chisso Corporation's chemical factory dumped their methylmercury wastewater into the Minamata Bay. The mercury, through the process of bioaccumulation, ended up in the top fish species, which the Minamata population ate for food. This resulted in thousands suffering from acute mercury poisoning. While many went through neurological breakdown, for years, neither the government nor the company did anything about it. Reparations and cleanup are still an ongoing process, several decades later.
When there is a disaster or calamity the production of food grains decrease. This in turn creates shortage of food in the affected areas. Due to the shortage of food, the prices go up. When the prices rise many people can not afford to buy food. Thus, the food security of many people is adversely affected because of disaster or calamity. If such calamity happens in a very wide spread area or continues for a long period of time, it may cause a situation of starvation. Massive starvation can result into a 'famine'.
unfortunately, 151 people died in the Tangiwai disaster
how many people were affected
241 people survived the cherry mine disaster.
576 people were killed in Texas city disaster
Yes, a sharp rise in interest rates can be a disaster because many people will be affected. People with adjustable mortgages will see their rates increase tremendously.
None whatever, absolutely zero. Neither was anyone affected by radiation which might cause ill-health.
thousands of people are affected
A flood and a tsunami can be a disaster (natural disaster). But not all the time. The only time you can count these as a disaster, if it has killed many people or people and animals. Like the floods we had in January 2011.