: this word is used especially of storms in the western Atlantic. It is a
violent storm with very strong winds. In other parts of the world, especially Asia, it is called a
typhoon.
: a
sudden violent movement of the
ground causing
damage.
: a very large ocean wave that is caused by a storm or earthquake, and which
destroys things when it reaches
land.
: a
volcano is a mountain with a hole in the top, and when it
erupts, hot gases and
lava are forced out into the air and onto the
surrounding land.
: a long period with no rain.
Crops die, and people may
starve to death.
: caused by a long period of
heavy rains. In spring it can appear when rivers come out from their
banks.
: the movement of a mass of rock,
debris or earth downs a slope due to gravity.
: is a rapid flow of snow down a sloping surface.