Quiz about Earthquakes and Earth's Interior

Question 1

Which of the following models a primary, P-wave's wave propagation and particle motion?

Accepted Answer

Question 2

Which of the following models a secondary, S-wave's wave propagation and particle motion?

Accepted Answer

Question 3

Which of the following models a Love wave propagation and particle motion?

Accepted Answer

Question 4

Which of the following models a Rayleigh wave propagation and particle motion?

Accepted Answer

Question 5

Which of the four waves are body waves?

Accepted Answer

P

Accepted Answer

S

Answer

Love

Answer

Rayleigh

Question 6

Which of the four waves are surface waves?

Accepted Answer

Love

Accepted Answer

Rayleigh

Answer

P

Answer

S

Question 7

Richter Scale

Accepted Answer

Seismograph required to measure

Accepted Answer

Based only on the S-P intervall and amplitude of seismic waves

Answer

Indirectly measures energy released

Answer

Accounts for the area of a fault plane rupture, rock strength and amount of slip.

Answer

Measures damage to structures.

Question 8

Moment Magnitude

Accepted Answer

Accounts for the area of a fault plane rupture, rock strength and amount of slip.

Answer

Seismograph required to measure

Answer

Indirectly measures energy released

Answer

Measures damage to structures.

Answer

Based only on the S-P intervall and amplitude of seismic waves

Question 9

Modified Mercalli Intensity Scale

Accepted Answer

Indirectly measures energy released

Accepted Answer

Measures damage to structures.

Answer

Increases by factors of 10

Answer

Accounts for the area of a fault plane rupture, rock strength and amount of slip.

Answer

Ranges between values of I and XII.

Question 10

Which is closest to the S-P interval for the seismogram shown?

Accepted Answer

40 seconds

Answer

10 seconds

Answer

20 seconds

Answer

30 seconds

Answer

50 seconds

Question 11

Which is closest to the Amplitude of the wave used for magnitude for the seismogram shown?

Accepted Answer

6 mm

Answer

2 mm

Answer

4 mm

Answer

8 mm

Answer

0 mm

Question 12

Which is closest to the magnitude for this earthquake?

Accepted Answer

4.0

Answer

2.0

Answer

3.0

Answer

5.0

Answer

6.0

Question 13

How many layers would this planet have?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Answer

5

Question 14

Does this planet have any liquid layers?

Accepted Answer

no

Answer

yes

Question 15

Which layer of Mars would be liquid?

Accepted Answer

between 1800-3500 km

Answer

between 0-1000 km

Answer

between 1000-1800 km

Question 16

Which wave helps us reveal if a layer is liquid?

Accepted Answer

S Wave

Answer

P Wave

Answer

Love Wave

Answer

Rayleigh Wave

Question 17

According to the experts (UCERF), what is the AVERAGE probability of a >6.7 Magnitude earthquake occuring along the Mojave section of the San Andreas fault in the next 30 years?

Accepted Answer

~20%

Answer

~75%

Answer

~50%

Answer

~40%

Answer

~30%

Question 18

If a fault has a recurrence interval of 50 years for >6.0 magnitude earthquakes and the last large earthquake occurred in 1950, when would the next earthquake be expected on average?

Accepted Answer

2000

Answer

1975

Answer

2025

Answer

2050

Question 19

Which of the following has: a locked fault and stored elastic potential energy?

Accepted Answer

b

Answer

a

Answer

c

Question 20

Which of the following just released kinetic energy?

Accepted Answer

c

Answer

a

Answer

b

Question 21

Which of the following has stored elastic potential energy?

Accepted Answer

a

Answer

b

Answer

c

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