earth science lab quiz 4

GLF13.10: Multiple Choice Quiz - L04

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Multiple Choice Quiz - L04
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Started on

Sunday, September 15, 2013, 06:03 PM

Completed on

Sunday, September 15, 2013, 06:26 PM

Time taken

22 mins 59 secs

Marks

1

13/22

Grade

59.09 out of a maximum of 100 (59%)

Questions 1 through 4 are based on Lab Exercise #1: Time Lag.

Marks:
Record your answer from Lab Exercise #1, Step 1, Question 1. What time in
1
hours:minutes:seconds GMT did the P waves arrive?
Choose one answer. a. 01:48:00
b. 01:49:00
c. 01:50:00
d. 01:51:00

Correct
Marks for this submission: 1/1.

2
Marks:
1

Record your answer from Lab Exercise #1, Step 1, Question 2. What time in hours:minutes:seconds GMT did the S waves arrive?
Choose one answer. a. 01:51:30
b. 01:52:00
c. 01:53:10
d. 01:54:20

Correct
Marks for this submission: 1/1.

3

Record your answer from Lab Exercise #1, Step 1, Question 3. What is the time lag
(S-P) in hours:minutes:seconds?

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GLF13.10: Multiple Choice Quiz - L04

Marks: Choose one
1
answer.

Page 2 of 7

a. 00:02:00
b. 00:03:20
c. 00:03:30
d. 00:04:10

Correct
Marks for this submission: 1/1.

4
Marks:
1

Record your answer from Lab Exercise #1, Step 2, Question 4. What is the distance in kilometers between the seismic station and the epicenter?
Choose one answer. a. 2400 km
b. 2600 km
c. 2800 km
d. 3000 km

Correct
Marks for this submission: 1/1.

5
Marks:
1

Questions 5 through 11 are based on Lab Exercise #2: Locating the Epicenter of an Earthquake.
Record your answer from Lab Exercise #2, Step 1. What is the time lag for noted at the Seattle, Washington, seismic station?
Choose one answer. a. 45 seconds
b. 50 seconds
c. 55 seconds
d. 65 seconds

Correct
Marks for this submission: 1/1.

6

Record your answer from Lab Exercise #2, Step 2. What is the distance between the
Marks: Seattle seismic station and the earthquake’s epicenter?
1
Choose one
a. 600 km answer. b. 700 km
c. 800 km
d. 900 km

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GLF13.10: Multiple Choice Quiz - L04

Page 3 of 7

Incorrect
Marks for this submission: 0/1.

7

Record your answer from Lab Exercise #2, Step 3. What is the time lag for noted at the Los Angeles, California, seismic station?
Marks:
1
Choose one
a. 100 seconds answer. b. 120 seconds
c. 140 seconds
d. 160 seconds
Incorrect
Marks for this submission: 0/1.

8

Record your answer from Lab Exercise #2, Step 4. What is the distance between the
Marks: Los Angeles seismic station and the earthquake’s epicenter?
1
Choose one
a. 1000 km answer. b. 1100 km
c. 1300 km
d. 1500 km
Incorrect
Marks for this submission: 0/1.

9
Marks:
1

Record your answer from Lab Exercise #2, Step 5. What is the time lag for noted at the Austin, Texas, seismic station?
Choose one answer. a. 120 seconds
b. 140 seconds
c. 165 seconds
d. 180 seconds

Incorrect
Marks for this submission: 0/1.

10

Record your answer from Lab Exercise #2, Step 6. What is the distance between the
Marks: Austin seismic station and the earthquake’s epicenter?
1
a. 1950 km

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GLF13.10: Multiple Choice Quiz - L04

Choose one answer. Page 4 of 7

b. 2200 km
c. 2550 km
d. 2850 km

Correct
Marks for this submission: 1/1.

11

Record your answer from Lab Exercise #2, Step 12. What city is nearest to the
Marks: epicenter?
1
Choose one
a. Helena answer. b. Bismark
c. Boise
d. Cheyenne
Incorrect
Marks for this submission: 0/1.

12

The focus of an earthquake is a point

Marks:
Choose one
1
answer.

a. on the earth’s surface where the initial release of seismic energy occurs. b. on the earth’s surface where seismic waves are reflected downward. c. within the earth where seismic waves are reflected downward.
d. within the earth where the initial release of seismic energy occurs. Correct
Marks for this submission: 1/1.

13

The epicenter of an earthquake is a point

Marks:
Choose one
1
answer.

a. on the earth’s surface directly above the initial release of seismic energy. b. within the earth directly beneath the initial release of seismic energy. c. on the earth’s surface where the initial release of seismic energy occurs. http://moodle.coastlinelive.com/mod/quiz/review.php?attempt=106847

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GLF13.10: Multiple Choice Quiz - L04

Page 5 of 7

d. within the earth where the initial release of seismic energy occurs. Correct
Marks for this submission: 1/1.

14

Which of the following seismic waves has the same wave form as a sound wave?

Marks:
Choose one
1
answer.

a. surface wave
b. P wave
c. S wave
d. Love wave

Incorrect
Marks for this submission: 0/1.

15

Which of the following seismic waves is the first to arrive at a seismic station?

Marks:
Choose one
1
answer.

a. surface wave
b. P wave
c. S wave
d. Love wave

Correct
Marks for this submission: 1/1.

16

Which of the following seismic waves is the last to arrive at a seismic station?

Marks:
Choose one
1
answer.

a. Love wave
b. P wave
c. S wave
d. body wave

Incorrect
Marks for this submission: 0/1.

17

Which seismic wave vibrates side-to-side relative to its direction of travel?

Marks:
Choose one
1
answer.

a. surface wave
b. P wave

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c. S wave
d. Rayleigh wave
Incorrect
Marks for this submission: 0/1.

18

The two kinds of body waves are

Marks:
Choose one
1
answer.

a. surface waves and P waves.
b. Love waves and P waves.
c. P waves and S waves.
d. Love waves and S waves.

Correct
Marks for this submission: 1/1.

19

The following seismic waves are used to locate earthquake epicenters:

Marks:
Choose one
1
answer.

a. surface waves and P waves.
b. Rayleigh waves and P waves.
c. P waves and S waves.
d. surface waves and S waves.

Correct
Marks for this submission: 1/1.

20

Which of the following statements is correct?

Marks:
Choose one
1
answer.

a. P-wave amplitude is larger the S-wave amplitude.
b. S-wave amplitude is larger than P-wave amplitude.
c. P-wave amplitude and S-wave amplitude are about the same.
d. P-wave amplitude is larger than all the other seismic waves recorded on a seismogram.

Incorrect
Marks for this submission: 0/1.

21

Determining the distance along the earth’s surface from a seismic station to the epicenter of an earthquake is based on the difference in arrival times between

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GLF13.10: Multiple Choice Quiz - L04

Marks: Choose one
1
answer.

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a. the first P wave and the first S wave.
b. the first P wave and the first Love wave.
c. the first S wave and the first Love wave.
d. all three seismic waves.

Correct
Marks for this submission: 1/1.

22

To locate the epicenter of an earthquake, it takes

Marks:
Choose one
1
answer.

a. one seismic station.
b. at least two seismic stations.
c. at least three seismic stations.
d. at least four seismic stations.

Correct
Marks for this submission: 1/1.

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