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?

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

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

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

What causes earthquakes?