Podcast
Questions and Answers
Effusive Eruptions are formed with small amounts of gas and/or low viscosity magma and are characterized by outpourings of ______ onto the ground.
Effusive Eruptions are formed with small amounts of gas and/or low viscosity magma and are characterized by outpourings of ______ onto the ground.
lava
Gases released by active and inactive volcanoes include water vapor, carbon dioxide, hydrogen gas, hydrogen chloride, hydrogen fluoride, hydrogen sulfide, and sulfur ______.
Gases released by active and inactive volcanoes include water vapor, carbon dioxide, hydrogen gas, hydrogen chloride, hydrogen fluoride, hydrogen sulfide, and sulfur ______.
dioxide
Lava Flow refers to the molten rocks that move down the slope of volcanic vents, and the rate of lava flow can be influenced by the viscosity of magma and the steepness of the ______.
Lava Flow refers to the molten rocks that move down the slope of volcanic vents, and the rate of lava flow can be influenced by the viscosity of magma and the steepness of the ______.
volcano
Pyroclastic Flow refers to the glowing hot material that moves down the slope of an erupting volcano and comes in contact with the ______.
Pyroclastic Flow refers to the glowing hot material that moves down the slope of an erupting volcano and comes in contact with the ______.
Pyroclastic Surge consists of volcanic materials such as gases, ash, rock fragments, and water extruded above the ground, posing more damage and risks than pyroclastic ______.
Pyroclastic Surge consists of volcanic materials such as gases, ash, rock fragments, and water extruded above the ground, posing more damage and risks than pyroclastic ______.
Lahar, also known as mudflow or the flow of volcanic debris, can be categorized into Primary Lahar (hot) caused by eruption and Secondary Lahar (cold) caused by ______.
Lahar, also known as mudflow or the flow of volcanic debris, can be categorized into Primary Lahar (hot) caused by eruption and Secondary Lahar (cold) caused by ______.
_________ are fragments of rock that are produced when magma or rock is explosively ejected.
_________ are fragments of rock that are produced when magma or rock is explosively ejected.
_________ is the largest fragment which is greater than 64mm or 2.55 inches in diameter.
_________ is the largest fragment which is greater than 64mm or 2.55 inches in diameter.
_________ has a diameter of 0.24 to 2.55 inches.
_________ has a diameter of 0.24 to 2.55 inches.
_________ are the smallest materials and usually less than 2mm in diameter.
_________ are the smallest materials and usually less than 2mm in diameter.
Hawaiian Eruption creates _________ volcanoes.
Hawaiian Eruption creates _________ volcanoes.
Plinian Eruption is the most _________ and explosive type of eruption.
Plinian Eruption is the most _________ and explosive type of eruption.
Alert Level 4 indicates that a hazardous eruption is ______
Alert Level 4 indicates that a hazardous eruption is ______
Alert Level 2 suggests increasing unrest and the possibility of ______ eruption
Alert Level 2 suggests increasing unrest and the possibility of ______ eruption
Lava fountaining is often seen during a hazardous eruption at Alert Level ______
Lava fountaining is often seen during a hazardous eruption at Alert Level ______
Magma rising from the Earth's crust may lead to a ______ eruption
Magma rising from the Earth's crust may lead to a ______ eruption
Volcanic eruptions can result in the release of various ______ and widespread damage
Volcanic eruptions can result in the release of various ______ and widespread damage
The fertility of volcanic soil can be greatly enhanced due to the minerals brought out during eruptions, but it can also lead to widespread ______
The fertility of volcanic soil can be greatly enhanced due to the minerals brought out during eruptions, but it can also lead to widespread ______
