11: earthquakes and earthquake hazards

Question 1

the sudden movement of large blocks of rock on opposite sides of faults cause most

Answer 1

earthquakes

Question 2

the location where the rock begins to slip before an earthquake

Answer 2

hypocenter or focus

Question 3

during an earthquake, _____ waves radiate outward from the hypocenter in all directions

Answer 3

seismic waves

Question 4

the point on earth’s surface directly above the hypocenter is the

Answer 4

epicenter

Question 5

convergent boundaries with mega thrust faults are responsible for most of the ________ earthquake sin history

Answer 5

largest

Question 6

a seismograph reveals

Answer 6

P and S waves

Question 7

an earthquakes epicenter can be located using a method called

Answer 7

triangulation

Question 8

the measurement of the amount of ground shaking at an earthquake location

Answer 8

intensity

Question 9

the 12 point scale we use to measure earthquakes intensity

Answer 9

the modified mercalli intensity scale

Question 10

successful earthquake prediction is the goal of

Answer 10

seismologists

Question 11

occurs when waterlogged sediment or soil is severely shaken during an earthquake

Answer 11

liquefaction