Page 23 - Mousumi
P. 23
Weaver Monomousumi.com
Causes of Natural Disaster- Tsunami
| Implications and Scientific
Prevention
By Hrishita Patnai
generated by ocean waves, which are
generated by wind, or tides, generated
by the gravitational pull of the Moon
The term “tsunami” is originated and the Sun, whereas tsunami is
from the Japanese word harbor
generated by the displacement of
(“tsu”) and wave (“nami”) meaning
water.
“harbour wave”. Tsunami also known
HOW IS A TSUNAMI CAUSED?
as ‘seismic wave’ is a group or series
of waves that deliver surges of water When one plate subducts under
at great heights at times reaching another plate, after a period as a result
the mega thrust is given away. As this
more than 100ft over to the land.
part is given away, it breaks the ocean
The tsunami is different from normal
bed, resulting in bringing a massive
ocean waves, which are
displacement of the water. This
causes the water flows as a series of
Page 21