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Killer Tsunamis | National Geographic


the warnings are few the signs are

the warnings are few the signs are suddenly the time goes into reverse a

suddenly the time goes into reverse a

suddenly the time goes into reverse a thunderous roar fills their and then

thunderous roar fills their and then

thunderous roar fills their and then it strikes

and when it is over nothing is what a

and when it is over nothing is what a tsunami the word in Japanese means

tsunami the word in Japanese means

tsunami the word in Japanese means harbour wave Japan has been hit by many

harbour wave Japan has been hit by many

harbour wave Japan has been hit by many tsunamis in its history as a result of

tsunamis in its history as a result of

tsunamis in its history as a result of its location it lies across the edges of

its location it lies across the edges of

its location it lies across the edges of four tectonic plates where most

four tectonic plates where most

four tectonic plates where most earthquakes the principal cause of

earthquakes the principal cause of

earthquakes the principal cause of tsunamis are war when two tectonic

tsunamis are war when two tectonic

tsunamis are war when two tectonic plates push together the resulting

plates push together the resulting

plates push together the resulting earthquake sends an enormous burst of

earthquake sends an enormous burst of

earthquake sends an enormous burst of energy up through the ocean displacing

energy up through the ocean displacing

energy up through the ocean displacing enormous quantities of water a series of

enormous quantities of water a series of

enormous quantities of water a series of waves expands in all directions in deep

waves expands in all directions in deep

waves expands in all directions in deep water these waves travel fast up to five

water these waves travel fast up to five

water these waves travel fast up to five hundred miles an hour but only reach a

hundred miles an hour but only reach a

hundred miles an hour but only reach a height of a few feet a passing ship

height of a few feet a passing ship

height of a few feet a passing ship might not even notice but as the waves

might not even notice but as the waves

might not even notice but as the waves enter shallow waters friction with the

enter shallow waters friction with the

enter shallow waters friction with the ocean floor lowers the wave speed and

ocean floor lowers the wave speed and

ocean floor lowers the wave speed and raises their height until at landfall

raises their height until at landfall

raises their height until at landfall they can engulf a 10-story building

unlike ordinary waves a tsunami wave

unlike ordinary waves a tsunami wave doesn’t crest and break instead it

doesn’t crest and break instead it

doesn’t crest and break instead it advances like a wall of water that

advances like a wall of water that

advances like a wall of water that crashes over the coastline and

crashes over the coastline and

crashes over the coastline and everything in its way reaching even as

everything in its way reaching even as

everything in its way reaching even as far as a mind

far as a mind

far as a mind inland more damage is caused when the

inland more damage is caused when the

inland more damage is caused when the wave recedes dragging everything in it

wave recedes dragging everything in it

wave recedes dragging everything in it back under water and most tsunamis have

back under water and most tsunamis have

back under water and most tsunamis have multiple waves each arriving anywhere

multiple waves each arriving anywhere

multiple waves each arriving anywhere from 10 to 60 minutes after the first

from 10 to 60 minutes after the first

from 10 to 60 minutes after the first strike just when survivors think the

strike just when survivors think the

strike just when survivors think the danger is over the deadliest tsunami

danger is over the deadliest tsunami

danger is over the deadliest tsunami ever recorded occurred in December of

ever recorded occurred in December of

ever recorded occurred in December of 2004 an earthquake off the coast of

2004 an earthquake off the coast of

2004 an earthquake off the coast of Indonesia triggered a tsunami that

Indonesia triggered a tsunami that

Indonesia triggered a tsunami that surged across the Indian Ocean and

surged across the Indian Ocean and

surged across the Indian Ocean and reached as far as the coast of Africa

reached as far as the coast of Africa

reached as far as the coast of Africa whole sections of cities were destroyed

5,000 miles away the Pacific Tsunami

5,000 miles away the Pacific Tsunami Warning Center in Honolulu is on call 24

Warning Center in Honolulu is on call 24

Warning Center in Honolulu is on call 24 hours a day to prevent a similar tragedy

hours a day to prevent a similar tragedy

hours a day to prevent a similar tragedy from happening in the United States

from happening in the United States

from happening in the United States scientists monitor tremors and quakes

scientists monitor tremors and quakes

scientists monitor tremors and quakes from around the globe if a quake big

from around the globe if a quake big

from around the globe if a quake big enough to cause a tsunami occurs it is

enough to cause a tsunami occurs it is

enough to cause a tsunami occurs it is their job to alert the coastlines in the

their job to alert the coastlines in the

their job to alert the coastlines in the tsunamis path the advice is simple move

tsunamis path the advice is simple move

tsunamis path the advice is simple move to higher ground wait for news that the

to higher ground wait for news that the

to higher ground wait for news that the tsunami has passed and be ready to deal

tsunami has passed and be ready to deal

tsunami has passed and be ready to deal with the ruins left in its wake

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