Earthquake

Question 1

The shaking and trembling caused by the sudden release of energy from inside the Earth.

Answer 1

Earthquake

Question 2

where are earthquakes generated?

Answer 2

Earthquakes occur somewhere in the crust and lithosphere.

Question 3

Layers of the Earth?

Answer 3

crust (oceanic and continental)
upper and lower mantle
outer and inner core

Question 4

The outermost solid portion of Earth that houses all living things.

Answer 4

CRUST

Question 5

carries the entire crust and extends down to the upper portion of the asthenosphere

Answer 5

Lithosphere

Question 6

This layer lies beneath the lithosphere and is about 100-650km deep.

Answer 6

MANTLE

Question 7

refers to the region around the pacific ocean that is commonly hit by earthquakes and volcanic eruptions

Answer 7

Pacific RIng of FIre

Question 8

athin zone of crushed rock separating blocks of the earth’s crust

Answer 8

Fault

Question 9

The block above the inclined fault.

Answer 9

HANGING WALL

Question 10

The block below the fault.

Answer 10

FOOT WALL

Question 11

Earthquakes originate in a

Answer 11

fault.

Question 12

when there is movement of rock masses along a fault

Answer 12

Faulting occurs

Question 13

pushes rocks to each other

Answer 13

Compressional

Question 14

pulls rocks away from each other

Answer 14

Tensional

Question 15

enables rocks in the crust to slide past each other

Answer 15

Shearing

Question 16

when a rock mass in the crust is pushed up relative to the other rock mass due to compressional force.

Answer 16

A Reverse fault is formed

Question 17

When a tensional force acts on rock masses in the crust, one rock mass moves downward relative to the other

Answer 17

Normal

Question 18

When a tensional force acts on rock masses in the crust, one rock mass moves downward relative to the other

Answer 18

Normal

Question 19

is produced when a rock mass slides past to each other. Violent earthquakes usually occur in this type of fault.

Answer 19

Transform

Question 20

all shallow earthquakes occur in?.

Answer 20

Active Fault

Question 21

exhibited evidence of strong and frequent earthquakes

common in plate boundaries where plates bump into or move away from each other.

Answer 21

Active Fault

Question 22

areas which have not displayed any seismic activity for more than thousands of years

may trigger bigger quakes

Answer 22

Inactive Fault

Question 23

It is the source from which the energy is released radiating to all directions.

Answer 23

Focus

Question 24

It is where the first sudden movement of the ground is felt and where the most severe damage by an earthquake is sustained.

Answer 24

Epicenter