# Environmental science

QUESTION 1

1. For the HKPS station, what was the arrival of the P wave arrival time?  All waves arrived in the 3 o’clock hour so please omit that and simply put the minute and second information below.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said one of the earthquake waves arrived at 3 o’clock, 25 minutes and 45 seconds, omit the 3 o’clock (input 0 for hours), input 25 minutes and 45 seconds into the website above, and out would come 25.75 min (this is what you’d submit).  Another example is if you believe the earthquake wave came in at 3 o’clock, 32 min and 20 seconds, you would put 0 in for hours, 32 min, and 20 seconds into the website and get 32.3333 min (this is what you’d submit).

5 points

QUESTION 2

1. For the HKPS station, what was the arrival of the S wave arrival time?  All waves arrived in the 3 o’clock hour so please omit that and simply put the minute and second information below.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said one of the earthquake waves arrived at 3 o’clock, 25 minutes and 45 seconds, omit the 3 o’clock (input 0 for hours), input 25 minutes and 45 seconds into the website above, and out would come 25.75 min (this is what you’d submit).  Another example is if you believe the earthquake wave came in at 3 o’clock, 32 min and 20 seconds, you would put 0 in for hours, 32 min, and 20 seconds into the website and get 32.3333 min (this is what you’d submit).

5 points

QUESTION 3

1. For the INCN station, what was the arrival of the P wave arrival time?  All waves arrived in the 3 o’clock hour so please omit that and simply put the minute and second information below.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said one of the earthquake waves arrived at 3 o’clock, 25 minutes and 45 seconds, omit the 3 o’clock (input 0 for hours), input 25 minutes and 45 seconds into the website above, and out would come 25.75 min (this is what you’d submit).  Another example is if you believe the earthquake wave came in at 3 o’clock, 32 min and 20 seconds, you would put 0 in for hours, 32 min, and 20 seconds into the website and get 32.3333 min (this is what you’d submit).

5 points

QUESTION 4

1. For the INCN station, what was the arrival of the S wave arrival time?  All waves arrived in the 3 o’clock hour so please omit that and simply put the minute and second information below.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said one of the earthquake waves arrived at 3 o’clock, 25 minutes and 45 seconds, omit the 3 o’clock (input 0 for hours), input 25 minutes and 45 seconds into the website above, and out would come 25.75 min (this is what you’d submit).  Another example is if you believe the earthquake wave came in at 3 o’clock, 32 min and 20 seconds, you would put 0 in for hours, 32 min, and 20 seconds into the website and get 32.3333 min (this is what you’d submit).

5 points

QUESTION 5

1. For the MAJO station, what was the arrival of the P wave arrival time?  All waves arrived in the 3 o’clock hour so please omit that and simply put the minute and second information below.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said one of the earthquake waves arrived at 3 o’clock, 25 minutes and 45 seconds, omit the 3 o’clock (input 0 for hours), input 25 minutes and 45 seconds into the website above, and out would come 25.75 min (this is what you’d submit).  Another example is if you believe the earthquake wave came in at 3 o’clock, 32 min and 20 seconds, you would put 0 in for hours, 32 min, and 20 seconds into the website and get 32.3333 min (this is what you’d submit).

5 points

QUESTION 6

1. For the MAJO station, what was the arrival of the S wave arrival time?  All waves arrived in the 3 o’clock hour so please omit that and simply put the minute and second information below.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said one of the earthquake waves arrived at 3 o’clock, 25 minutes and 45 seconds, omit the 3 o’clock (input 0 for hours), input 25 minutes and 45 seconds into the website above, and out would come 25.75 min (this is what you’d submit).  Another example is if you believe the earthquake wave came in at 3 o’clock, 32 min and 20 seconds, you would put 0 in for hours, 32 min, and 20 seconds into the website and get 32.3333 min (this is what you’d submit).

5 points

QUESTION 7

1. For the HKPS station, what was the S-P time difference?  All waves arrived in the same hour so the time difference should only be in units of minutes and seconds.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said the S-P time difference was 6 minutes and 10 seconds, put 0 hours, 6 minutes, and 10 seconds into the calculator above and out would come 6.1667 min.  This is what you would input for your answer below

5 points

QUESTION 8

1. For the INCN station, what was the S-P time difference?  All waves arrived in the same hour so the time difference should only be in units of minutes and seconds.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said the S-P time difference was 6 minutes and 10 seconds, put 0 hours, 6 minutes, and 10 seconds into the calculator above and out would come 6.1667 min.  This is what you would input for your answer below

5 points

QUESTION 9

1. For the MAJO station, what was the S-P time difference?  All waves arrived in the same hour so the time difference should only be in units of minutes and seconds.  Remember to use the website https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php to convert your minutes and seconds into units of just minutes (see announcement).

For example, if you said the S-P time difference was 6 minutes and 10 seconds, put 0 hours, 6 minutes, and 10 seconds into the calculator above and out would come 6.1667 min.  This is what you would input for your answer below

5 points

QUESTION 10

1. What is the distance from the epicenter of the earthquake for the HKPS seismic station?  Your answer should be in kilometers; however, you do not need to write the units in the answer below.

5 points

QUESTION 11

1. What is the distance from the epicenter of the earthquake for the INCN seismic station?  Your answer should be in kilometers; however, you do not need to write the units in the answer below.

5 points

QUESTION 12

1. What is the distance from the epicenter of the earthquake for the MAJO seismic station?  Your answer should be in kilometers; however, you do not need to write the units in the answer below.

5 points

QUESTION 13

5 points

QUESTION 14

5 points

QUESTION 15

1. Would it be more beneficial, less beneficial, or irrelevant (meaning there is no benefit) to use more than 3 seismic stations?

 More beneficial Irrelevant Less beneficial

4 points

QUESTION 16

1. Is the earthquake’s epicenter located near a plate boundary? If so, what type of plate boundary?

 Transform The epicenter is not near a plate boundary Divergent Convergent

4 points

QUESTION 17

1. Which statement or statements are true about how P waves move through the Earth?

 P waves cause a displacement of the material its moving through perpendicular to the direction of its motion. P waves move through all layers of the Earth’s interior P waves are the second fastest seismic wave P waves move the fastest out of any seismic wave P waves do not travel through the liquid layer of the Earth P waves move particles parallel to the direction of propagation by a series of compressions and expansions

5 points

QUESTION 18

1. Which statement or statements are true about how S waves move through the Earth?

 S waves cause a displacement of the material its moving through perpendicular to the direction of its motion. S waves do not travel through the liquid layer of the Earth S waves move particles parallel to the direction of propagation by a series of compressions and expansions S waves move through all layers of the Earth’s interior S waves move the fastest out of any seismic wave S waves are the second fastest seismic wave

5 points

QUESTION 19

1. Label the three different types of faults seen below.  If you can’t see the image below, it is the same as in question 6 of the lab.

 –           A.           B.           C. The fault on the left is a ____________ fault. –           A.           B.           C. The fault in the middle is a ____________ fault. –           A.           B.           C. The fault on the right is a ____________ fault.
 A. strike-slip B. normal C. reverse

4 points

QUESTION 20

1. Which fault or faults can cause tsunamis?

 Normal Faults Reverse Faults Strike-Slip Faults

4 points

QUESTION 21

1. Both large volcanic eruptions and earthquakes can cause tsunamis

True

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