Earthquakes

The instrument used to measure seismic waves is called a _______.

Plate tectonics is a theory about

• charges

• lightning

• structure of the surface of the Earth.

• structure of the inner core of the Earth.

The most common scale used to measure the magnitude of an earthquake is the __________.

The branch of science concerned with earthquakes and related phenomena is called

A sudden movement or a fracture in the Earth’s crust is called

• Earthquake

• Lightning

• Thunder

• Cyclonic Storm

The epicentre of an earthquake is

• A point vertically above the focus on the surface of the earth

• A point at the earth core.

• The graph of the earthquake

• A point below the focus in the mantle of the earth.

Occurrence of landslides is an event of

The magnitude of major earthquake in Gujarat in 2001?

• 7.6-8.1

• 6.7-7.2

• 7.8-8.5

• 4.5-6.0

The Himalayas are believed to be formed by the collision of

• Indian plate and Asian plate

• Asian plate and European plate

• Eurasian plate and Indian plate

• Indo-Australian plate and African plate

The slow movements of plates inside the earth are known as