Earthquake Hazards

Question 1

Internal earth processes of tectonic origin, and external processes such as mass movements

Answer 1

Geologic Hazards

Question 2

Two types of Surface waves

Answer 2

Reyleigh
Love

Question 3

Two types of Body waves

Answer 3

P Waves
S Waves

Question 4

Named after John William Strut and Lord Reyleigh

Answer 4

Reyleigh Waves

Question 5

Movement is through rolling up the ground like ocean waves

Answer 5

Reyleigh Waves

Question 6

Ground tends to move up and down, side to side

Answer 6

Reyleigh Waves

Question 7

Named after Augusus Edward Hough Love

Answer 7

Love Waves

Question 8

Faster but can only be felt in the crust

Answer 8

Love Waves

Question 9

Horizontally shakes the ground

Answer 9

Love Waves

Question 10

Fastest Seismic waves

Answer 10

P Waves

Question 11

Compressional wave because it pulls and pushes rocks

Answer 11

P waves

Question 12

Can pass through other states of matter

Answer 12

P Waves

Question 13

Slower than P waves

Answer 13

S Waves

Question 14

Only passes through solids

Answer 14

S Waves

Question 15

Ground shaking caused by Slip, Volcanic, or Magmatic Activity

Answer 15

Earthquake

Question 16

Point on the ground above the focus

Answer 16

Epicenter

Question 17

Weak point in the tectonic plate where pressure within the crust is released

Answer 17

Fault

Question 18

Where the earthquake begins

Answer 18

Focus

Question 19

Lower block

Answer 19

footwall

Question 20

Upper block

Answer 20

hanging wall or headwall

Question 21

Involves downward movement on a sloping fault as the fault’s two sides move apart

Answer 21

Dip-Slip fault

Question 22

Rocks above the fault plane move downward in relation to those beneath the fault plane

Answer 22

Normal DSF

Question 23

Hanging wall moved up and over the footwall they are low angled reverse faults and dip at angles less the 45 degress

Answer 23

Reverse DSF

Question 24

Strike slips are high angle faults

Answer 24

Strike-slip fault

Question 25

Combination of both dip slip and strike-slip motion

Answer 25

Oblique slip fault

Question 26

Involves downward movement, two faults’ sides move apart

Answer 26

Dip-slip fault

Question 27

Two blocks slide past one another

Answer 27

Strike-slip fault

Question 28

Measure of energy released by an earthquake

Answer 28

Magnitude

Question 29

Actual recorded effects of the earthquake, uses the Mercalli scale

Answer 29

Intensity