Natural disaster:a natural event such as a flood, earthquake, or tsunami that kills or injures a lot of people
noun: War is not a natural disaster like an earthquake or a tsunami. La guerra no es una catástrofe como un terremoto o un tsunami. Was there a natural disaster
drought:a long period when there is little or no rain
noun:It is a thermophilic species and extremely resistant to drought.
earthquake:a sudden violent movement of the earth's surface, sometimes causing great damage
noun:In 1881, a devastating earthquake hit the island of Chios.