Earthquake
Earthquake: Overview
This topic covers concepts such as cause of earthquakes, Richter scale, quake safe buildings, and precautions during quake at home.
Important Questions on Earthquake
How can the epicenter of an earthquake be accurately located?

How does the distance from the epicenter affect the magnitude of an earthquake?

What is the difference between earthquake focus and earthquake epicenter?

Why is it important to know the difference between the epicenter and focus of an earthquake?



The shocks of earthquakes may be recorded on an instrument called a Seismograph.

Write a correct term.
The plates that make-up the surface of the earth.

The Mercalli scale measures the _____( magnitude/intensity) of an earthquake.

Name the scale on which the magnitude (or intensity) of an earthquake is expressed.

The magnitude of an earthquake can be measured by _____ scale.

What causes an earthquake? What are the effects of earthquake?

Earthquakes are measured on the _____ (richter / seismic) scale.

The intensity of which of the following disasters is measured by using a Richter scale?

What will be the condition of a place after an earthquake of the magnitude of on Richter scale had hit?

A break or a crack between moving plates is called a _____.

Give one word for vibrations caused by an earthquake travels in the form of these waves.

What is the range of more destructive earthquake on Richter scale?

What are the causes of floods, landslides and tsunamis?

