Across
- 3. a rupture in the crust of the earth which allows lava and ash to erupt from a magma chamber in the earth
- 6. very heavy snowfall
- 7. it is caused by violent shakes on the sea floor
- 8. a tropical storm
Down
- 1. overflow of water in a river
- 2. disturbances in the natural stability of a slope caused by heavy rains
- 4. a violently rotating column of air extending from the base of a thunderstorm down to the ground
- 5. it is caused by the sliding of the tectonic plates in the earths crust