Defining an Earthquake

Q. The point at which an earthquake originates is called the _____.

1. seismic focus
2. epicentre
3. nucleus
4. core

Q. The amount of energy released by an earthquake is measured………….

1. Kilogram
2. Magnitude
3. Kilowatt
4. Celsius

Q. What are earthquakes?

Q. A(n) _____ is a sudden shaking of the Earth as a result of movements of lithospheric plates.

1. flood
2. cyclone
3. earthquake
4. fire

Q. The point at which an earthquake originates is called the _____.

1. seismic focus
2. epicentre
3. core
4. nucleus

Q. A(n) _____ is a sudden shaking of the Earth as a result of movements of lithospheric plates.

1. flood
2. cyclone
3. earthquake
4. fire

Q. What is the point of origin of an earthquake called?

1. Tectonic plate
2. Tectonic centre
3. Epicentre
4. Seismic focus

Q. An earthquake is a sudden shaking of the Earth as a result of the movements of lithospheric plates.

1. False
2. True

Q. An earthquake is a sudden shaking of the Earth as a result of the movements of lithospheric plates.

1. False
2. True

Q. Swathi was on holiday on an island when she felt mild tremors shaking the island. Later, she found out that certain old buildings on the island had collapsed because of the tremors. She also observed widespread damage all over the island. Which of these disasters did Swathi experience?

1. Drought
2. Flood
3. Tsunami
4. Earthquake