1
A severe tropical cyclone usually with heavy rains and winds.
2
Vibration from underground movement along a fault plane.
3
A slide of large masses of snow, ice and mud down a mountain.
4
A large mass of ice floating at sea. An iceberg caused the sinking of the Titanic, or the "safest ship ever".
5
A fissure in the earth's crust through which gases erupt.
6
A storm with widespread snowfall accompanied by strong winds.
7
A cataclysm resulting from a destructive sea wave.
8
A violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightning.
9
The process of combustion of inflammable materials.
