Podcast
Questions and Answers
What causes an earthquake?
What causes an earthquake?
- Movement of tectonic plates
- Propagation of mechanical energy through the atmosphere
- Convection within the Earth's mantle
- Release of energy within the earth's crust (correct)
How do scientists measure the behavior of earthquake waves?
How do scientists measure the behavior of earthquake waves?
- By studying the behavior of animals before an earthquake
- By analyzing cloud formations after an earthquake
- Using delicate instruments called seismographs (correct)
- Using satellites to track wave movements
Where do most earthquakes occur?
Where do most earthquakes occur?
- Along boundaries between different tectonic plates (correct)
- Deep within the Earth's core
- On the surface of the moon
- In the Earth's uppermost mantle
What primarily drives the motion of tectonic plates?
What primarily drives the motion of tectonic plates?
Why can earthquakes occur anywhere on the surface of the Earth?
Why can earthquakes occur anywhere on the surface of the Earth?
What type of stress is generated by rock pulling apart from each other?
What type of stress is generated by rock pulling apart from each other?
What is the main trigger for volcanic earthquakes?
What is the main trigger for volcanic earthquakes?
What is the stage where the fault suddenly ruptures and releases the stored energy?
What is the stage where the fault suddenly ruptures and releases the stored energy?
What is the stress generated by two objects sliding past and against each other?
What is the stress generated by two objects sliding past and against each other?
Which type of earthquake is caused by an explosion in an underground cave or mine?
Which type of earthquake is caused by an explosion in an underground cave or mine?
What is the geographic location and depth where an earthquake starts called?
What is the geographic location and depth where an earthquake starts called?
Which type of seismic wave causes elliptical shaking of the Earth and gets weaker with depth?
Which type of seismic wave causes elliptical shaking of the Earth and gets weaker with depth?
What type of fault experiences vertical motion with one block moving upwards relative to the other?
What type of fault experiences vertical motion with one block moving upwards relative to the other?
What is the most common cause of tectonic earthquakes?
What is the most common cause of tectonic earthquakes?
Which seismic wave type arrives at seismographs first and oscillates in the direction the wave travels?
Which seismic wave type arrives at seismographs first and oscillates in the direction the wave travels?
