Podcast
Questions and Answers
What causes an earthquake?
What causes an earthquake?
- The collision of asteroids with the Earth
- The interaction of Earth's atmosphere and lithosphere
- The release of energy within the earth's core
- Sudden movement along faults in the earth's crust (correct)
How are scientists able to measure earthquake waves?
How are scientists able to measure earthquake waves?
- By analyzing volcanic eruptions
- Through delicate instruments known as seismographs (correct)
- Using satellites in space
- By observing changes in ocean tides
What primarily drives the motion of tectonic plates?
What primarily drives the motion of tectonic plates?
- Convection within the mantle (correct)
- Erosion caused by water bodies
- The rotation of the Earth on its axis
- Solar radiation from the sun
Where do most earthquakes occur?
Where do most earthquakes occur?
What type of waves are used to measure earthquake behavior?
What type of waves are used to measure earthquake behavior?
What type of stress is generated when two objects collide?
What type of stress is generated when two objects collide?
Which of the following is NOT one of the five stages of an earthquake?
Which of the following is NOT one of the five stages of an earthquake?
What is the primary cause of aftershocks?
What is the primary cause of aftershocks?
Which type of earthquake is caused by volcanic activity?
Which type of earthquake is caused by volcanic activity?
During which stage of an earthquake are rocks packed so tightly together that they must crack to increase space?
During which stage of an earthquake are rocks packed so tightly together that they must crack to increase space?
What is the primary cause of tsunamis in the ocean?
What is the primary cause of tsunamis in the ocean?
Which of the following is NOT one of the three main parts of an earthquake?
Which of the following is NOT one of the three main parts of an earthquake?
What is the difference between the focus and the epicenter of an earthquake?
What is the difference between the focus and the epicenter of an earthquake?
Which type of seismic wave causes elliptical shaking of the Earth's surface?
Which type of seismic wave causes elliptical shaking of the Earth's surface?
What type of fault motion occurs when one block moves downwards relative to the other?
What type of fault motion occurs when one block moves downwards relative to the other?