natural disasters causes and preventions

1. BY: PRIYA BHATIA

2.  A natural disaster is a major adverse event resulting
from natural processes of the Earth.
 Examples include floods, volcanic eruptions,
earthquakes, tsunamis, and other geologic processes.
 A natural disaster can cause loss of life or property
damage,

3. It is a natural event or occurrence where a
piece of land (or area) that is usually dry land,
suddenly gets submerged under water.

4. PREVENTION OF FLOODS
SEA/COASTAL
RETAINING WALLS
TOWN PLANNIG
VEGITATION
EDUCATION
CAUSES OF FLOODS
HEAVY RAIN
DAM BREAKING
OVERFLOWING OF RIVERS
ICE MELTING OR SNOW MELTING
STRONG WINDS IN COASTAL AREAS

5. A sudden movement of the earth's crust caused by t
he release of stress accumulated along geologic fau
lts or by volcanic activity.

7.  A cyclone is an area of closed, circular fluid motion.
It has low pressure on the inside and high pressure
on the outside.
 The center of the storm is called the eye and it has
the calmest water and the lowest pressure

8. WHAT CAUSE A CYCLONE

9.  A volcano is an opening in a planet’s surface which
allows hot magma to escape from below the surface.
 Study of volcano’s is called Volcanology and volcanic
eruptions are measured using Volcanic Explosivity Index.
.

10. CAUSES OF VOLCANIC ERUPTION