SORU: aşağıdaki parçaya göre cevaplayınız
According to the passage, it is not easy for one to guess ----.
Tsunami, a Japanese word meaning “harbour
wave,” is a wave in the ocean or lake created by a
geologic event. Oceanographers call tsunamis
seismic sea waves because they are usually caused
by earthquakes, landslides or marine slides under or
near the ocean. These push the water upward,
sideways or downward to create the tsunami waves.
Volcanic eruptions can also cause tsunamis. A
tsunami is not a single wave, but a series of waves
that can travel across the ocean at speeds of more
than 500 miles an hour. As the tsunami enters the
shallows of coastlines in its path, its velocity slows
but its height increases. A tsunami that is just a few
centimetres or meters high from trough to crest can
rear up to heights of 30 to 50 meters as it hits the
shore, striking with devastating force. For those on
shore there is little warning of a tsunami's approach.
The first indication is often a sharp swell, not unlike
an ordinary storm swell.