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NATURAL DISASTERS
CLASS V
EVS
EARTHQUAKE IS A SUDDEN TREMOR FELT
ON THE SURFACE OF THE EARTH
THE HAITI EARTHQUAKE
BUILDINGS COLLAPSE TRAPPING PEOPLE
AND ALL VALUABLE THINGS
TRANSPORTATION AND COMMUNICATION
GETS DISRUPTED
DROUGHT – WHEN
THERE IS NO RAIN
FOR A LONG
PERIOD OF TIME A
DROUGH T OCCURS
SUNFLOWER PLANTS DRYING OUT
DUE TO LACK OF RAINS
SEVERE DROUGHT IN PARTS OF
CHINA
CRACKED SURFACE OF THE EARTH
DESTRUCTION OF FOOD CROPS IN
DROUGHT HIT REGIONS
KATHINE DROUGHT IN ETHIOPIA
TSUNAMI IS A WAVE TRAIN GENERATED IN THE
WATER BODY BY SOME DISTURBANCES THAT
CAUSES WATER TO GET DISPLACED
TIDAL WAVES CALLED TSUNAMI
EARTHQUAKES ,LANDSLIDES, VOLCANIC
ERUPTIONS ETC CAN CREATE TSUNAMI
FLOOD IS AN OVERFLOW OF WATER
THAT SUBMERGES LAND
THE 1931 CHINA FLOODS CLAIMED THE LIVES
OF OVER 30 LAKH PEOPLE
FLOODS IN AUSTRALIA
HURRICANE IS A HUGE STORM THAT FORMS
MAINLY OVER OCEAN WATERS
HURRICANE KATRINA
IKE HURRICANE IN 2008
TORNADO IS A VIOLENTLY ROTATING COLUMN OF
AIR THAT IS IN CONTACT WITH BOTH THE EARTH’S
SURFACE AND A CLOUD
TORNADO IS GENERALLY FUNNEL SHAPED AND
ITS WIND SPEED MAY REACH 110KM PER HOUR
FIRE TORNADO
VOLCANO: IT IS AN OPENING IN THE PLANET’S
CRUST THAT ALLOWS HOT GASES TO ESCAPE FROM
BELOW THE SURFACE
BIG ISLAND VOLCANO
CLEVELAND VOLCANO – A VOLCANO ON
THE OCEAN FLOOR
THE TERM VOLCANO ORIGINATES FROM ‘VULCAN’
MEANING THE GOD OF FIRE
THE HOT MOLTEN LAVA TAKES A LONG TIME
TO COOL DOWN
ASH PLUMES REACHED A HEIGHT OF 19KM DURING
A VOLCANIC ERUPTION AT MOUNT PINATUBO IN
PHILLIPINES IN 1991
VOLCANO HAWAII KILAUEA
A CROSS SECTION OF A VOLCANO
A LANDSLIDE IS THE MOVEMENT OF ROCKS,
DEBRIS OR EARTH DOWN A SLOPE
LANDSLIDE BRINGING DOWN ROCKS
LANDSLIDES CAN BE TRIGGERED BY HUMAN
ACTIVITY OR BY NATURAL CAUSES
EXTREMELY SLOW LANDSLIDES MOVE
ONLY MILLIMETRES OR CENTIMETRES A
YEAR
LANDSLIDE AT KOZHIKODE