• Volcanic eruption (n): sự phun trào núi lửa (the sudden occurrence of a violent discharge of steam and volcanic material).\

Ex: Volcanic eruptions often cause temporary food shortages and volcanic ash landslides called Lahar.

• Earthquake /ˈɜːθkweɪk/ (n): động đất (a sudden, violent shaking of the earth’s surface).

Ex: The earthquake measured 68 on the Richter scale.

• Flood /flʌd/ (n): lũ lụt (a large amount of water covering an area that is usually dry).

Ex: The heavy rain has caused floods in many parts of the country.

• Hail /heɪl/ (n): mưa đá (when it hails, small balls of ice fall like rain from the sky).

Ex: It's hailing!

• Erosion /ɪˈrəʊʒn/ (n): sự xói mòn (the process by which the surface of something is gradually destroyed through the action of wind, rain, etc.).

Ex: Because of erosion, the beach has decreased in size.

• Whirlwind /ˈwɜːlwɪnd/ (n): lốc xoáy (a very strong wind that moves very fast in circles and causes a lot of damage).

Ex: He is sowing the wind and he will reap the whirlwind.

• Sandstorm /ˈsændstɔːm/ (n): bão cát (a storm in a desert in which sand is blown into the air by strong winds).

Ex: Our plan to film on location in Dubai was thwarted by a week of unusually persistent sandstorms.

• Arson /ˈɑːrsn/ (n): sự cố ý gây hỏa hoạn (the crime of deliberately setting fire to something, especially a building).

Ex: A cinema was burned out in north London last night. Police suspect arson.

• Shelter /ˈʃeltə(r)/ (n): nơi trú ẩn (the fact of having a place to live or stay, considered as a basic human need).

Ex: Human beings need food, clothing and shelter.

• Casualty /ˈkæʒuəlti/ (n): thương vong (a person who is killed or injured in war or in an accident).

Ex: Our primary objective is reducing road casualties.

• Subsidence /səbˈsaɪdns/ (n): sự sụt lún (the process by which an area of land sinks to a lower level than normal, or by which a building sinks into the ground).

Ex: The houses in this area are liable to subsidence.