Internal Disturbances

Question 1

Earthquakes rarely occur in

Answer 1

Brazil

Question 2

“Caldera” is a feature associated with

Answer 2

Volcanoes

Question 3

The instrument used for measuring earthquake is

Answer 3

Seismograph

Question 4

Which ocean has the world’s largest number of active volcanoes and is called “Ring of Fire”

Answer 4

Pacific Ocean

Question 5

Earthquakes are caused by

Answer 5

Faulting

Question 6

Earthquakes and volcanoes occur mostly in

Answer 6

Folded and Faulted region

Question 7

The phenomenon of an opening in the earth’s surface through which a jet of hot water and steam is forced out regular intervals is called

Answer 7

Geysar

Question 8

The intensity of earthquakes is measured on which scale?

Answer 8

Richter scale

Question 9

The volcanic region “Ring of fire” surrounds:

Answer 9

Pacific Ocean

Question 10

Molten rock below the earths surface is called

Answer 10

Magma

Question 11

Tsunami us a large sea wave caused by an earthquake experienced recently along the coasts of

Answer 11

Japan

Question 12

Mouna Loa is an example of

Answer 12

Active Volcano

Question 13

The vertical igneous rocks inside the earths surface are called:

Answer 13

Dyke

Question 14

Tsunami is a word of which language?

Answer 14

Japanese

Question 15

Tectonic force is related with the building of various features of

Answer 15

Earth’s crust

Question 16

Study of earth quakes is called

Answer 16

Seismology

Question 17

Ocean tidal waves which result from earthquakes are known as

Answer 17

Tsunami

Question 18

The material that comes out of a volcano at the time of eruption is:

Answer 18

Solid, Liquid, Gaseous

Question 19

Japan experiences frequent earthquakes because it is located

Answer 19

In the volcanic belt

Question 20

What is a post- volcanic activity?

Answer 20

Earthquakes

Question 21

Volcanoes that have not erupted at all in historic times retain the features of volcanoes are called

Answer 21

Extinct

Question 22

The instrument used for recording tremors of earth, is known as

Answer 22

Seismograph

Question 23

Which European country has over 200 volcanoes, many of them are still active?

Answer 23

Iceland

Question 24

The epicentre of an earthquake is the

Answer 24

Nearest point to surface from the focus perpendicular to the earth’s surface

Question 25

Name a dormant volcano

Answer 25

Vesuvius in Italy