Question

Explain Earthquake ?
What cause on Earthquake ?
Explain Protection against Earthquakes ?

Chapter - Some natural phenomena

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Answer 1

Answer:

The tectonic plates are always slowly moving, but they get stuck at their edges due to friction. When the stress on the edge overcomes the friction, there is an earthquake that releases energy in waves that travel through the earth's crust and cause the shaking that we feel.

Explanation:

Answer 2

Explain Earthquake ?

When, the Lithospheric Plates move the surface of the earth vibrates. The Vibrations can travel all round the earth. These vibrations are called Earthquakes.

What cause on Earthquake ?

Due to Sudden Tectonic movements in earth's crust Earthquakes are caused.

Explain Protection against Earthquakes ?

Some Protetions to be taken against Earthquakes are :

• Safe Spot - Take cover under a kitchen counter, table or desk, against an inside corner or wall.
• Stay Away from - Fire Places, areas around the chimneys, windows that shatter including mirrors and picture frames.
• Awareness - Spread Awareness amongst your friends and family members to face any natural disaster confidently.

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$\sf \bf \underline{Know \: more } :$

• The machine which is used to measure earthquake is called Seismograph.
• The magnitude of the earthquake is measured on the Richter Scale.
• An earthquake of 2.0 or less can be felt only a little.
• An earthquake of 5.0 can cause a little damage.
• An earthquake of 6.0 is considered very strong and 7.0 is considered as a major earthquake.
• Three types of Earthquake Waves are P waves, S waves and L waves.