25 Questions
How can the intensity of effects from a single earthquake vary in different places?
Due to the distance from the epicenter
Which type of foundation is likely to experience less damage according to the text?
Buildings constructed on solid rock
What factor is highlighted as a key influencer of the varied effects caused by a single earthquake?
Distance from the epicenter
Which element plays a significant role in determining the impact of a single earthquake on different locations?
Distance from the epicenter
What type of construction is mentioned in the text as more susceptible to damage?
Buildings with deep foundations
What characteristic of a single earthquake can lead to varying intensities of effects experienced by different regions?
Location of the epicenter
Which factor plays a significant role in determining the vulnerability of a building to damage?
The type of foundation the building rests upon
What is a crucial variable that influences the diverse impact levels resulting from a single earthquake?
Distance from the epicenter
What aspect of the site can influence the structural integrity of a building?
Composition of the underlying bedrock
Which type of soil is suggested as less conducive to building stability?
Loose, unstable soil prone to shifting
What is required for obtaining the best records near a fault zone?
Sensitive instruments must be in place beforehand near the fault zone.
Why is it important for instruments to survive the earthquake near the fault zone?
To ensure that the instruments can continue to work and record data during and after the earthquake.
What does the text suggest about the accuracy of laboratory experiments simulating real earthquake conditions?
There are no guarantees that laboratory experiments accurately simulate real earthquake conditions even with good records from an actual earthquake.
What would likely happen if instruments are not in place near a fault zone beforehand?
The instruments would provide inaccurate records.
Why might sensitive instruments need to be placed near a fault zone?
To obtain accurate data before and during an earthquake.
What phenomenon has been observed to occur in the electrical resistivity of rocks before an earthquake?
Increase, then decrease
How does the electrical resistivity of rocks behave after decreasing and before an earthquake?
It remains constant
What effect does an approaching earthquake have on the electrical resistivity of rocks?
Increase, then decrease
If the resistance of rocks to electric current shows a pattern of decrease followed by increase, what event might be imminent?
An earthquake
Which of the following patterns in electrical resistivity would be least likely to precede an earthquake?
Remain constant
What rock properties or phenomena were studied in the early stages for earthquake prediction?
Earthquake precursors
Where did the 1989 Loma Prieta earthquake occur?
San Andreas Fault
Which seismic zone is likely to be the site of the next major earthquake to cause serious damage to Mexico City?
Subduction zone
Which region is at risk of serious damage from the next major earthquake?
Mexico City
What was earthquake prediction primarily based on in its early stages?
Study of rock properties
Test your knowledge on how a single earthquake can produce effects of varying intensity at different locations based on distance from the epicenter. Explore the factors influencing earthquake intensity differences.
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