Explain the types of volcanoes on the basis of types of eruption with suitable figures . PLS TELL ME FAST.
Answers
Types of volcanic eruptions depends on various factors such as chemistry of magma, temperature, viscosity, volume, presence of groundwater, and water and gas content.
Following are the different types of volcanic eruptions:
Hydrothermal eruption: These eruptions include ash and not magma. They are driven by the heat caused in hydrothermal systems.
Phreatic eruption: This is driven when the heat of the magma interacts with the water. These eruptions too do not include magma and only ash.
Phreatomagmatic eruption: This eruption takes place when there is interaction between the newly formed magma and water.
Strombolian and Hawaiian eruption: Hawaiian eruption has fire fountains while Strombolian eruption has explosions due to lava fragments.
Vulcanian eruption: These eruptions lasts for short period of time and can reach up to a height of 20 km.
Subplinian and Phinian eruptions: Subplinian eruptions reach up to 20 km height, while Plinian eruptions reach up to 20-35 km.
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There are two types of eruption in the terms of activity
# Explosive eruption:
Explosive eruptions are characterized by gas - driven explosion that propels magma and tephra.
# Effusive eruption:
Effusive eruptions,meanwhile characterized by the outpouring of lava without significant explosive eruption.
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