Across
- 3. Mount Etna is a famous ... in Italy.
- 4. Katrina was the worst ... to hit the USA for a very long time.
- 6. ... can happen when rivers have too much water in them.
- 7. A terrible ... hit Mexico City in 1985.
Down
- 1. A ... is a giant wave, often caused by an underwater earthquake.
- 2. Many people worked for days to ... the victims from the earthquake.
- 5. A ... bomb makes a cloud shaped like a mushroom.