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

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

ハリケーン, 台風
an unexpected and usually dangerous situation needing immediate attention or action

緊急事態 (きんきゅうじたい), 非常事態 (ひじょうじたい)
the rising of a body of water that covers dry places and causes damage

洪水 (こうずい), 大水 (おおみず)
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(りゅうこうびょう), 疫病(えきびょう)
a disease that spreads across a large region or even across the world

パンデミック, 疫病
a situation where there is not enough food that causes hunger and death

飢饉(ききん), 飢え(うえ)
a sudden, forceful release of energy due to a chemical or nuclear reaction, causing rapid expansion of gases, loud noise, and often destruction

爆発(ばくはつ), 爆音(ばくおん)
an accident that occurs when two or more objects, often in motion, come into violent contact with each other, resulting in damage or destruction

衝突 (しょうとつ), 衝撃 (しょうげき)
a situation where radioactive materials are released from a nuclear facility, posing environmental and health dangers

原子力事故, 核事故
