earth science questions?

  • Thread starter Thread starter Jeff
  • Start date Start date
J

Jeff

Guest
1. how many times more energy does an earthquake with richter magnitude 8 release then an earthquake with richter magnitude 6?

ANSWERS:
B. about 31 times more energy
C. about 961 times more energy
D. 1,000,000 times more energy


5. One seismograph station, by itself, can determine the

ANSWERS:
A. direction of the epicenter
C. distance to the epicenter
D. location of the plate boundary

9. the part of a seismograph that does not move during an earthquake is the

ANSWERS:
A. base
B. drum
C. pen

11. what data would help scientists idenify where a seismic gap may exist along a fault?

ANSWERS:
A. the locations of the foci of earthquakes that have occurred in the past along the fault
C. a map showing the locations of large cities near the fault line
D. the distance between the foci of the two most recent earthquake alone the fault

13. which conclusion is supported by studies of earthquake waves passing through earth

ANSWERS:
A. no earthquake waves can pass through earths core
C. the inner core is a liquid
D. the outer core is a liquid

14. which of the following areas is the most seismaically active?

ANSWERS:
B. Syracuse, NY
C. Clemont, FL
D. New Madrid, MO

18. which of the following statements about P waves is false?

ANSWERS:
A. they squeeze and stretch rock materials
B. they cause particles of rock to travel at right angles to the directions of the waves
D. they are also called primary waves
 
1) 2 orders of magnitude so 1000 times more energy
5) distance
9) base
11) no idea ask me another
13) outer core is liquid giving rise to the 135degree seismic shadow
14) Syracuse
18)B is false
 
Back
Top