Question

short note on 'Types of volcanoes'​

Answer 1

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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 to do not include magma and only ash.

Phreatomagmatic eruption:

• This eruption takes place when there is the interaction between the newly formed magma and water.

Strombolian and Hawaiian eruption:

• Hawaiian eruption has fire fountains while the Strombolian eruption has explosions due to lava fragments.

Vulcanian eruption:

• These eruptions last for a 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.

Answer 2

Answer:

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Explanation:

4 Different Types of Volcanoes According to Shape-  

1. Cinder Cone, AKA Scoria Cone. One of the most common types of volcanoes is the cinder cone.

2.Shield Volcanoes. Another type of volcano is the shield volcano. Unlike cinder cones, shield volcanoes can be very dangerous.

3. Composite Volcanoes. Composite volcanoes are also known as strato volcanoes. Composite volcanoes are reasonably big compares to shield volcanoes.

4. Lava Dome Volcano. Lava domes are the fourth type of volcano. Unlike composite and shield volcanoes, lava domes are of significantly smaller stature