Podcast
Questions and Answers
What is a characteristic of the rocks in Eastern North America that affects the distance seismic waves can travel?
What is a characteristic of the rocks in Eastern North America that affects the distance seismic waves can travel?
- They are younger and softer
- They are more porous and lighter
- They are older and harder (correct)
- They are more fractured and weaker
Which of the following earthquakes had a smaller felt area despite releasing more energy?
Which of the following earthquakes had a smaller felt area despite releasing more energy?
- The 2014 California earthquake (correct)
- The largest earthquake of the three
- The 2011 Virginia earthquake
- The 2017 Delaware earthquake
What is a factor that scientists are researching to understand regional differences in earthquake effects?
What is a factor that scientists are researching to understand regional differences in earthquake effects?
- The size and age of buildings (correct)
- The depth of the ocean nearby
- The distance from the coastline
- The direction of the wind
Approximately how far was the 2017 Delaware earthquake felt from the epicenter?
Approximately how far was the 2017 Delaware earthquake felt from the epicenter?
How many times more energy did the 2014 California earthquake release compared to the 2011 Virginia earthquake?
How many times more energy did the 2014 California earthquake release compared to the 2011 Virginia earthquake?
Why do seismic waves tend to cross older rocks more effectively during an earthquake?
Why do seismic waves tend to cross older rocks more effectively during an earthquake?
Why may older structures in the East not fare well during an earthquake?
Why may older structures in the East not fare well during an earthquake?
What is a characteristic of earthquakes in the East that makes them more damaging to smaller structures?
What is a characteristic of earthquakes in the East that makes them more damaging to smaller structures?
Why did the 2011 Virginia earthquake cause significant damage in Washington, DC?
Why did the 2011 Virginia earthquake cause significant damage in Washington, DC?
What is a reason why taller structures are more susceptible to damage during an earthquake?
What is a reason why taller structures are more susceptible to damage during an earthquake?
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