Planet Earth

Hot melted rock under the surface of the earth is called as?

• core

• magma

• erosion

• lava

Giant ocean waves are called?

• epicentre

• seismic wave

• earthquake

• tsunami

 

Many earthquakes happen along the...

• Ring of fire

• crust

• continents

• oceans

What is a Richter Scale?

• It is used to measure the strength of volcano

• It is used to measure the strength of tsunami

• It is used to measure the strength of the earthquake

• It is used to locate earthquake

10. Which is the highest Magnitude on a Richter Sale/ Richter Magnitude causes total destruction from the table given below?

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What are the earthquake effects of 3-4 magnitude from the table below?

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Observe the picture and state the magnitude in the Richter scale that can be recorded only but not felt by people.

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What does the earthquake alert center do when they receive a signal from the sensor?

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What causes earthquakes?

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