the sudden movement and shaking of the earth's surface, usually causing damage

地震, 地动
a very strong and destructive wind that moves in circles, often seen in the Caribbean

飓风, 旋风
an unexpected and usually dangerous situation needing immediate attention or action

紧急情况, 突发事件
the rising of a body of water that covers dry places and causes damage

洪水, 水灾
the rapid spread of an infectious disease within a specific population, community, or region, affecting a significant number of individuals at the same time

流行病, 疫情爆发
a disease that spreads across a large region or even across the world

大流行病, 全球性流行病
a situation where there is not enough food that causes hunger and death

饥荒, 粮食短缺
a sudden, forceful release of energy due to a chemical or nuclear reaction, causing rapid expansion of gases, loud noise, and often destruction

爆炸, 爆发
an accident that occurs when two or more objects, often in motion, come into violent contact with each other, resulting in damage or destruction

碰撞, 事故
a situation where radioactive materials are released from a nuclear facility, posing environmental and health dangers

核事故
