FREE AND STUDY GAMES ABOUT GEO CH 16 EXAM

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FREE AND STUDY GAMES ABOUT GEO CH 16 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -40 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: A ___ plots seismic-wave arrival time against the distance

Answer:

travel-time curve

Question 2: The most important concentration of earthquakes by far is _____

Answer:

the Circumpacific belt Question 3: Deep rocks behave as ____ material under stress rather than breaking

Answer:

ductile

Question 4: _____ would be associated with Benioff zones

Answer:

All the answers are correct

Question 5: _____ maps are useful for assessing how different areas respond to seismic waves and provide valuable information for earthquake planning

Answer:

Intensity

Question 6: Both P waves and S waves can pass through ___

Answer:

solid rock

Question 7: Earthquake waves propagate most rapidly through ___

Answer:

igneous rock

Question 8: One suggested cause of deep focus earthquakes is _____

Answer:

collapse of minerals into denser forms

Question 9: On the modified Mercalli intensity scale the maximum value is _____

Answer:

XII Question 10: ___ earthquakes probably occur along older faults that are no longer at plate boundaries, for example the New Madrid Missouri earthquakes of 1811-1812

Answer:

Intraplate Question 11: Although large earthquakes are rare in the central and eastern United States, when they do occur they tend to be very destructive because

Answer:

the crust there is cool and brittle Question 12: A series of earthquakes that occurred near ____ in 1811-1812 were the most widely felt earthquakes to occur in recorded history

Answer:

New Madrid, Missouri

Question 13: The point within the earth where seismic waves first originate is the ____

Answer:

focus Question 14: The effects of ground motion caused by an earthquake do not include

Answer:

volcanism Question 15: ___ stations are the minimum needed to determine the location of an earthquake epicenter

Answer:

Three Question 16: Perhaps 90 percent of the destruction in the 1906 San Francisco earthquake was caused by ___

Answer:

fires

Question 17: _____-waves are the slowest body waves

Answer:

S

Question 18: Faulting and earthquakes are examples of ______

Answer:

brittle behavior

Question 19: _____ are the waves of energy produced by an earthquake

Answer:

Seismic Question 20: Rupture begins at the ____ and then spreads rapidly along the fault plane

Answer:

focus

Question 21: Deep focus earthquakes occur at a maximum depth of _____

Answer:

670 km Question 22: _____ can occur when water-saturated soil turns from a solid to a liquid as a result of an earthquake

Answer:

Liquefaction

Question 23: A ____ is a seismic sea wave

Answer:

tsunami Question 24: The time interval between the first arrival of P-waves and the first arrival of S-waves _____ with distance from the focus of an earthquake

Answer:

increases Question 25: _____ waves tend to be incredibly destructive to buildings because they produce much ground movement and take a long time to pass

Answer:

Rayleigh Question 26: For most of the 20th century earthquake magnitude was reported on the _____ scale, a scale that has never exceeded a magnitude 8.6

Answer:

Richter Question 27: In the elastic rebound theory, earthquakes are caused by the sudden release of progressively stored ___ in rocks

Answer:

strain