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Bangladesh
is mainly alluvial deltaic plain divided into three zones, namely hills,
terraces and flood plain based on geomorphology and physiographic. The
country has an approximate area of 147,570 sq.km. bounded between 20º34´
to 26º38´ N latitude and 88º01´ to 92º 41´ E longitude and has 4,685 km. long boundary unique geographical location
in South Asia forming lower part of the basins of three mighty rivers
, the Padma (Known as the Ganges in India), the Brahmaputra and the
Meghna. Bangladesh with its fragile state of economy depends predominantly
on agriculture which has strong linkage with seasonal weather systems.
The land is frequently visited by natural hazards of which floods, cyclones
with accompanying storm surges, droughts, tornadoes, river-bank erosions
and earthquake are the most disastrous to mention. Bangladesh, which
is also in close proximity with the Himalayas , have a long history
of seismic tremors. Four great earthquakes of magnitude exceeding eight
during 1897, 1905, 1934, 1950 and another 10 earthquakes exceeding magnitude
belt during the last 100 years. The colossal losses of lives and properties
caused by natural disasters with repeated frequency in short intervals
make Bangladesh is one of the most disaster prone country in the world.
DMB
is a small dynamic professional unit at national level to perform specialist
support functions working in close collaboration with District and
Upazila-level authorities and the concerned line ministries under the overall
authority of high–level inter-ministerial Disaster Management
Coordination Committee (IMDMCC). It is
a technical arm to the Disaster Management and Relief Division (DMRD)
to overview and co-ordinate all activities related to disaster management
from national down to the grass-root level.
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