Across
- 3. A large wave caused by movements in Earth's crust, such as an earthquake or a volcano.
- 4. a vent, or opening, in Earth’s surface through which molten rock, gases, and ash erupt.
Down
- 1. The sudden, quick shaking of the earth. It is caused by rock breaking and moving under the ground.
- 2. A high-water event in which water overflows its natural, or artificial, banks onto normally dry land.
- 3. A column of strongly rotating winds that develops within a cloud and makes contact with the ground.