Physical Results of Earthquakes - PowerPoint Presentation

Physical Results of Earthquakes
Physical Results of Earthquakes

Physical Results of Earthquakes - Description


They Shape Our Landscape As plates move we may feel these movements as earthquakes If there were no plate motions our planet would not look like home There would be no mountains no valleys no plateaus ID: 593126 Download Presentation

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earthquake earthquakes earth liquefaction earthquakes earthquake liquefaction earth landslide japan landslides rock soil shaking folds video masahiro long events

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Presentation on theme: "Physical Results of Earthquakes"— Presentation transcript


Slide1

Physical Results of EarthquakesSlide2

They Shape Our Landscape

As plates move, we may feel these movements as earthquakes

If there were no plate motions, our planet would not look like home

There would be no mountains, no valleys, no plateaus

More than disasters on the human scaleSlide3

Earth Shaking =

Earth Shaping

Earthquakes and other tectonic activities have been occurring for as long as the Earth has existed.

Events range from small cracks in the soil to the raising and lowering of huge chunks of lithosphere

Happens over long periods of timeSlide4

Faults

Where rock is strained beyond limit, it will fracture, and the rock mass on either side will move abruptly.Slide5

Folds

Accumulated stress and strain within rocks of the lithosphere may cause great warps or folds in rock layers.Slide6

Soil Liquefaction

Much of the dollar damage due to earthquakes result from liquefaction

Table group exploration and discussion

Video

of

liquefaction in Japan;

video

Tokyo ParkSlide7

Landslides

Earthquakes trigger many landslides, particularly in the rainy season

Video

of landslides – general

Video

of landslide – Mt. St. Helens (lahar

)

Graphic

showing Japan flooding

Due to earthquake and landslideSlide8

Underwater Earthquakes

Tsunamis

Video

Japan 2011,

raw footage

Video

Indonesia

2004

Deaths due to Earthquakes/Tsunamis Slide9

Read

Read “I survived a tsunami”

Complete the worksheet on one side to order the events

On the back, answer the questions: “

In what ways did Masahiro exhibit courage?” What do

you

think of Masahiro? How do

you

think you would have reacted under the same circumstances

?Slide10

Aftershock:

A smaller earthquake that follows a more powerful earthquake in same area

.

Liquefaction

:

A process by which the shaking of the ground causes loose, wet soil to act like a liquid.

Tsunami

:

A water wave caused by an earthquake, volcanic eruption or landslide.

Shom More....