Q49 of 84 Page 290

What are the various effects of an earthquake?

The various effects of earthquakes are following:

● Earthquakes can cause immense damage to buildings, bridges, dams and people.

● There can be a great loss to life and property.

● The earthquakes can cause floods, landslides and tsunamis.

What is an earthquake? What are the two main situations in which earthquakes occur?

Define (i) focus, and (ii) epicentre, of an earthquake.

Name the three layers of earth. Draw a labelled diagram to show the structure of earth.

What is a seismograph? Draw a labelled diagram of a seismograph.