Here’s a possible completion of the sentences using the words/phrases from the box:

1. When the earthquake happened, all the buildings in this area were completely **collapsed** before.
2. Fortunately, many people were warned of the danger and they had taken **shelter** before the earthquake happened.
3. The **forest fire** has raged since early morning; many trees and animals have been burnt up.
4. All people in the village rushed into the public shelters as soon as the **typhoon** erupted.
5. Several people were going along when suddenly there was a **landslide** that blocked the road in front of them.
6. Tankers full of water were sent, but it was too late to save many of the animals and crops there. The **flood** made the whole area like a vast desert.
7. When the **drought** happened last year, the river overflowed in several places and huge areas of farming were several meters under water. Boats were being used to rescue people in nearby villages.
8. The **sandstorm** swept onwards, covering everything in its path. The travelers had to get off their camels and lie down until it had eventually passed.
9. Suddenly the ground shook beneath our feet and tall buildings opposite my college began to sway. I immediately realized that it was an **earthquake**.
10. The **volcano** had already strengthened considerably and the sea was very rough. As a result, ferries across the harbor stopped sailing and all large ships put out to the sea.