A ‣ Disasters/tragedies 
famine /ˈfæmɪn/ [no food]
landslide [rocks and earth moving suddenly down a slope] epidemic [ disease affecting large numbers of people]
explosion ( e.g. a bomb)
major accident / incident (e.g. a plane crash)
hurricane / tornado /tɔːˈneɪdəʊ/
typhoon / tropical storm [ violent wind / storm]
war / civil war [ civil war is war between people of the same country]
Disasters not caused by human beings can be called natural disasters.
Language help
Injure /ˈɪndʒə/ is used about people.
Damage /ˈdæmɪdʒ/ is used about things.
200 people were injured. Many buildings were damaged.
Verbs connected with these words
A volcano has erupted in Indonesia. Hundreds are feared dead. The flu epidemic spread rapidly throughout the country. Millions are starving as a result of the famine. A big earthquake shook the city at noon today. The area is suffering its worst drought for many years. Civil war has broken out in the north of the country. A tornado swept through the islands yesterday.
B ‣ Words for people involved in disasters/tragedies 
The explosion resulted in 300 casualties. /ˈkæʒuəlti:z/ [dead and injured people]
The real victims of civil war are children left without parents. [those who suffer the results]
There were only three survivors /səˈvaɪvəz/. All the other passengers were reported dead. [people who live through a disaster]
Thousands of refugees /refjʊˈdʒiːz/ have crossed the border looking for food and shelter. [people who have escaped from their own country because of a war or other disaster]
Millions of migrants enter the country each year, looking for a better life. [people who travel from one country to another, often in order to find work]
During the battle, the dead and wounded /ˈwuːndɪd/ were flown out in helicopters. [ wounded: injured in a battle / by a weapon]
C ‣ Diseases / epidemics
Here are some headlines from newspapers all connected with diseases and epidemics. Explanations are given.
Rabies /ˈreɪbiːz/ out of control in many parts of Asia: disease can be caused by bite from a dog, fox, etc., very serious
New AIDS unit to be opened this month: acquired immune deficiency syndrome; often caused by sexual contact or contact with contaminated blood
New malaria /məˈleəriə/ drug tested: usually caught because of mosquito bites
Cholera /ˈkɒlərə/ and typhoid /ˈtaɪfɔɪd/ injections not needed says Tourism Minister: diseases causing sickness, diarrhoea, etc., caused often by infected food and water