Across
- 4. the people who study earthquakes
- 5. substance inside the volcano before it erupted
- 6. roman god of fire
- 8. sudden shaking of the ground
- 9. no rain or less rain .......
Down
- 1. inventer of ritcher scale
- 2. volcanos that have erupted in recent years and may erupt again
- 3. also known as tsunami
- 7. a vertical tunnel in the volcano