This presentation discusses major disasters that impact Bangladesh and their effects. It outlines that Bangladesh experiences regular flooding, cyclones, earthquakes, and droughts. Over the past 20 years, 135 million people in Bangladesh have been affected by natural disasters, with many losing their lives, homes, land, and livelihoods. The major disasters discussed are flooding, cyclones, river bank erosion, earthquakes, and drought. Causes of flooding include rainfall, snowmelt in the Himalayas, and changes in sediment load. Coastal areas are vulnerable to cyclones, while Chittagong, Dhaka, Sylhet and Rangpur-Dinajpur districts face higher earthquake risk. River bank erosion damages

1. WELCOME TO MY PRESENTATION

2. Submitted to
Md. Abdus Sattar
Lecturer
Dept. of Disaster Resilience
and Engineering
Faculty of Disaster Management,
Patuakhali Science and Technology University
MAJOR DISASTERS IN BANGLADESH AND ITS IMPACTS
Submitted by
Md.Rabiul Islam
ID No.1306005
Level-1,semesrer-2
Faculty of Disaster
Management

3. Disaster
Flood
Cyclone
River
Erosion
Earthquake
Bangladesh is one of the most
disaster-prone countries in the
world, suffering from regular
floods, cyclones,
earthquakes and drought. It is
estimated that in the past 20
years, 135 million people in
Bangladesh have been
affected by natural disasters,
and while many have lost
their lives or been injured,
millions of others have also
lost their homes, land and
livelihoods

4. Water logging
Drought
fFloodfd
Cyclone Storm surge, salinity
Bank erosion
Hazards Bangladesh faces
Bank Erosion

5. FLOOD
Causes of Flood in Bangladesh :
Rainfall
Snow melting in the Himalayas
Hydrologic changes in the Brahmaputra
basin.
Besides, 2.4 billion tons of sediments carries
by the river system of Bangladesh every
year reduces the carrying capacity of the
rivers ,which worsens the flood.

6. CYCLONE
About 20% of the coastal
area of Bangladesh are
vulnerable to Cyclone. In
Bangladesh,12 coastal
districts are highly
vulnerable.

7. DISTRICTS
VULNERABLE
TO
CYCLONE

8. EARTHQUAKE
-Trembling or shaking movement of the earth
surface.
-Form of energy of wave motion, which
originates in a limitted region and then
spreads out in all directions from the source
of disturbance
-Bangladesh is extremely vulnerable to
seismic activities.
-Chittagong,Dhaka,Sylhet and Rangpur-
Dinajpur districts are mejor earthquake zone.

9. RIVER BANK EROSION
-Occers both naturally and
through human impacts.
-The river erodes away the led and
bank of its channel vertically and
laterally.
-makes people undone.
-causes a massive financial loss.

10. DROUGHT
-Inadequate rainfall causes Drought.
-North-western region suffers most.
-affects not only the seasonal crops but also
the fruit bearing trees,forestry and the
environment as a whole.