Podcast
Questions and Answers
What is the composition of a lahar?
What is the composition of a lahar?
- Pyroclastic material and volcanic bombs
- Volcanic ash, water, and debris (correct)
- Magma and lava only
- Volcanic gases and aerosols
What is the term for the deposition of volcanic materials ejected during an eruption?
What is the term for the deposition of volcanic materials ejected during an eruption?
- Volcanic debris
- Lahar
- Ashfall
- Pyroclastic flow (correct)
What type of volcano is characterized by non-explosive eruptions and thin, runny lava?
What type of volcano is characterized by non-explosive eruptions and thin, runny lava?
- Composite Volcano
- Cinder Cone
- Stratovolcano
- Shield Volcano (correct)
What is the term for the particles of volcanic ash that travel long distances carried by winds and eventually settle onto the ground?
What is the term for the particles of volcanic ash that travel long distances carried by winds and eventually settle onto the ground?
What type of volcanic hazard is characterized by a fast-moving river of mud and rocks?
What type of volcanic hazard is characterized by a fast-moving river of mud and rocks?
What is the term for the loose, pyroclastic material that makes up cinder cones?
What is the term for the loose, pyroclastic material that makes up cinder cones?
What is the primary force that propels ballistic projectiles through the air?
What is the primary force that propels ballistic projectiles through the air?
What is the primary composition of volcanic gases released during volcanic eruptions?
What is the primary composition of volcanic gases released during volcanic eruptions?
What is the primary source required for ignition to occur in the fire triangle?
What is the primary source required for ignition to occur in the fire triangle?
What is a characteristic of lava flows that can affect their speed and viscosity?
What is a characteristic of lava flows that can affect their speed and viscosity?
What is the result of the sudden release of energy in the Earth's lithosphere during an earthquake?
What is the result of the sudden release of energy in the Earth's lithosphere during an earthquake?
What is the purpose of aiming the fire extinguisher at the base of the fire?
What is the purpose of aiming the fire extinguisher at the base of the fire?
What is a type of geological hazard that can cause sudden and violent movements of the Earth's surface?
What is a type of geological hazard that can cause sudden and violent movements of the Earth's surface?
What is the term used to describe a mixture of hot gases, ash, pumice, and other volcanic debris that are propelled high into the atmosphere?
What is the term used to describe a mixture of hot gases, ash, pumice, and other volcanic debris that are propelled high into the atmosphere?
What is the role of oxygen in the fire triangle?
What is the role of oxygen in the fire triangle?
What is the trigger that causes an earthquake to occur?
What is the trigger that causes an earthquake to occur?
What is the term used to describe natural events that arise from geologic processes, which can cause significant loss of life, damage to property, and disruption to communities?
What is the term used to describe natural events that arise from geologic processes, which can cause significant loss of life, damage to property, and disruption to communities?
What is the result of the combustion process during a fire?
What is the result of the combustion process during a fire?
