Podcast
Questions and Answers
What causes earthquakes along tectonic plates and intraplate faults?
What causes earthquakes along tectonic plates and intraplate faults?
- Volcanic eruptions
- Plate collisions
- Convection currents
- Fault motion (correct)
Which type of fault is characterized by plates sliding past each other horizontally?
Which type of fault is characterized by plates sliding past each other horizontally?
- Strike-slip fault (correct)
- Reverse fault
- Normal fault
- Transform fault
What natural disaster is often triggered by underwater earthquakes?
What natural disaster is often triggered by underwater earthquakes?
- Volcanic eruptions
- Tornadoes
- Hurricanes
- Tsunamis (correct)
What theory explains why the ground shakes during an earthquake?
What theory explains why the ground shakes during an earthquake?
What is the fifth step in a typical tectonic earthquake sequence?
What is the fifth step in a typical tectonic earthquake sequence?
How do tectonic plates interact with each other at a fault line?
How do tectonic plates interact with each other at a fault line?
Which layers of Earth experience seismic wave travel during an earthquake?
Which layers of Earth experience seismic wave travel during an earthquake?
What type of fault is associated with compressional stress causing one block of rock to move up and over another block?
What type of fault is associated with compressional stress causing one block of rock to move up and over another block?
What is released when a fault ruptures during an earthquake?
What is released when a fault ruptures during an earthquake?
What is the location on Earth's surface directly above the focus called?
What is the location on Earth's surface directly above the focus called?
Which of the following regions is NOT one of the three main regions where most earthquakes occur?
Which of the following regions is NOT one of the three main regions where most earthquakes occur?
What type of seismic wave travels the fastest and moves longitudinally?
What type of seismic wave travels the fastest and moves longitudinally?
Which seismic wave is considered the most damaging?
Which seismic wave is considered the most damaging?
What is the scale used to measure the size and strength of an earthquake called?
What is the scale used to measure the size and strength of an earthquake called?
What is the term used to describe the location where two tectonic plates meet?
What is the term used to describe the location where two tectonic plates meet?
Which of the following is NOT a cause of minor earthquakes?
Which of the following is NOT a cause of minor earthquakes?
What is the term used to describe the largest quake in a series of earthquakes?
What is the term used to describe the largest quake in a series of earthquakes?
What type of device is used to measure seismic activity and create a seismogram?
What type of device is used to measure seismic activity and create a seismogram?
Which of the following is the most accurate scale for measuring the size and strength of an earthquake?
Which of the following is the most accurate scale for measuring the size and strength of an earthquake?
What are the four distinct types of volcanoes?
What are the four distinct types of volcanoes?
Which type of volcano is considered the most explosive?
Which type of volcano is considered the most explosive?
What factor primarily determines the viscosity of lava?
What factor primarily determines the viscosity of lava?
Which type of lava has a low viscosity due to its low silica and high iron and magnesium content?
Which type of lava has a low viscosity due to its low silica and high iron and magnesium content?
What is the most common gas emitted during a volcanic eruption?
What is the most common gas emitted during a volcanic eruption?
How can volcanic gases contribute to global warming?
How can volcanic gases contribute to global warming?
What type of lava flow morphology is characterized by a smooth, ropy surface?
What type of lava flow morphology is characterized by a smooth, ropy surface?
What are pyroclastic flows?
What are pyroclastic flows?
Which type of lava flow is associated with the formation of lava domes?
Which type of lava flow is associated with the formation of lava domes?
What is the primary factor that determines the eruptive style of a volcano?
What is the primary factor that determines the eruptive style of a volcano?
What is the primary purpose of the Richter scale?
What is the primary purpose of the Richter scale?
Which of the following statements about the Richter scale is true?
Which of the following statements about the Richter scale is true?
Why was the moment magnitude scale developed?
Why was the moment magnitude scale developed?
Which of the following is NOT a type of damage that can be caused by earthquakes?
Which of the following is NOT a type of damage that can be caused by earthquakes?
What is the process that leads to volcanic eruptions?
What is the process that leads to volcanic eruptions?
What is the difference between magma and lava?
What is the difference between magma and lava?
Which of the following is NOT a type of volcanic eruption mentioned in the text?
Which of the following is NOT a type of volcanic eruption mentioned in the text?
What is the study of volcanoes and their eruptions called?
What is the study of volcanoes and their eruptions called?
What is the primary factor that determines the shape and characteristics of a volcano?
What is the primary factor that determines the shape and characteristics of a volcano?
What is the term used for the movement of the Earth's surface due to the breaking apart of rocks underneath?
What is the term used for the movement of the Earth's surface due to the breaking apart of rocks underneath?
What causes earthquakes to occur?
What causes earthquakes to occur?
What are the three main types of faults?
What are the three main types of faults?
What is the primary factor that determines the eruptive style of a volcano?
What is the primary factor that determines the eruptive style of a volcano?
What is the first step in a typical tectonic earthquake sequence?
What is the first step in a typical tectonic earthquake sequence?
Which of the following seismic waves travel through the interior of the Earth?
Which of the following seismic waves travel through the interior of the Earth?
What is the theory that explains why the ground shakes during an earthquake?
What is the theory that explains why the ground shakes during an earthquake?
What is the outermost layer of the Earth made of?
What is the outermost layer of the Earth made of?
What is the term used to describe the location where two tectonic plates meet?
What is the term used to describe the location where two tectonic plates meet?
What natural disaster is often triggered by underwater earthquakes?
What natural disaster is often triggered by underwater earthquakes?
What is the fifth step in a typical tectonic earthquake sequence?
What is the fifth step in a typical tectonic earthquake sequence?
What distinguishes composite cone volcanoes from lava dome volcanoes?
What distinguishes composite cone volcanoes from lava dome volcanoes?
How do viscous lavas differ from fluid lavas in terms of explosiveness?
How do viscous lavas differ from fluid lavas in terms of explosiveness?
What is the primary gas emitted during a volcanic eruption that can contribute to global warming and be harmful to humans?
What is the primary gas emitted during a volcanic eruption that can contribute to global warming and be harmful to humans?
How do sulfur dioxide aerosols contribute to environmental effects after a volcanic eruption?
How do sulfur dioxide aerosols contribute to environmental effects after a volcanic eruption?
Which type of lava is characterized by high silica content and results in highly explosive eruptions?
Which type of lava is characterized by high silica content and results in highly explosive eruptions?
What are pyroclastic flows primarily composed of?
What are pyroclastic flows primarily composed of?
Which type of seismic wave travels through the Earth's interior?
Which type of seismic wave travels through the Earth's interior?
What type of earthquake is the largest in a series and occurs between foreshocks and aftershocks?
What type of earthquake is the largest in a series and occurs between foreshocks and aftershocks?
What is the most accurate scale for measuring the size and strength of an earthquake?
What is the most accurate scale for measuring the size and strength of an earthquake?
What causes aftershocks following a main earthquake?
What causes aftershocks following a main earthquake?
Which type of seismic wave is slower but more damaging than P-waves?
Which type of seismic wave is slower but more damaging than P-waves?
What is the purpose of using a seismograph during seismic activity?
What is the purpose of using a seismograph during seismic activity?
Which scale is most useful for measuring mid-range earthquakes and is logarithmic?
Which scale is most useful for measuring mid-range earthquakes and is logarithmic?
How do geologists determine which quakes are foreshocks, mainshocks, and aftershocks?
How do geologists determine which quakes are foreshocks, mainshocks, and aftershocks?
What type of seismic wave moves across the Earth's surface like a wave in the ocean?
What type of seismic wave moves across the Earth's surface like a wave in the ocean?
In terms of seismic waves, which type originates from the center of an earthquake similar to ripples in water?
In terms of seismic waves, which type originates from the center of an earthquake similar to ripples in water?
What is the primary purpose of the Richter scale?
What is the primary purpose of the Richter scale?
Which of the following statements about the Richter scale is true?
Which of the following statements about the Richter scale is true?
What is the term used to describe the movement of the Earth's surface due to the breaking apart of rocks underneath?
What is the term used to describe the movement of the Earth's surface due to the breaking apart of rocks underneath?
Why was the moment magnitude scale developed?
Why was the moment magnitude scale developed?
What is the primary factor that determines the viscosity of lava?
What is the primary factor that determines the viscosity of lava?
Which of the following is the most accurate scale for measuring the size and strength of an earthquake?
Which of the following is the most accurate scale for measuring the size and strength of an earthquake?
What is the process that leads to volcanic eruptions?
What is the process that leads to volcanic eruptions?
What is the term used to describe the largest quake in a series of earthquakes?
What is the term used to describe the largest quake in a series of earthquakes?
Which type of volcano is considered the most explosive?
Which type of volcano is considered the most explosive?
What type of seismic wave travels the fastest and moves longitudinally?
What type of seismic wave travels the fastest and moves longitudinally?
