Magma and Types of Volcanic Eruption
Quiz by Daisy Nepomuceno
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- Q1
A weak to violent eruption characterized by lava fountains and outburst of molten lava
Phreatomagmatic
Vulcanian
Plinian
Strombolian
20sS9ES -IIIb-28 - Q2
An eruption resulting from the release of large quantities of accumulated magmatic gas which lifts fine ash with great force high into the air forming voluminous.
Vulcanian
Phreatomagmatic
Strombolian
Pelean
20sS9ES -IIIb-28 - Q3
A violent eruption due to the contact between water and magma
Pilian
Phreatomagmatic
Strombolian
Vulcanian
20sS9ES -IIIb-28 - Q4
Which of the following have high viscosity?
Basaltic
Felsic
Mafic
Andesitic
20sS9ES -IIIb-28 - Q5
Magma that contains lower amounts of silica and is generally less viscous and less gas-rich than silicic magma?
Andesitic
Basaltic
Felsic
Mafic
20sS9ES -IIIb-28 - Q6
Taal volcano erupted last January 12, 2020. What type of volcanic eruption was observed during the eruption?
Strombolian
Phreatic
Vulcanian
Pilian
20sS9ES -IIIb-28 - Q7
Natural volcanic steam vent in which sulfur gases are the dominant constituent along with hot water vapour sulfur place.
Hot spot
Solfatara
Silicate
Gayser
20sS9ES -IIIb-28 - Q8
How does silica affect viscosity of magma?
The higher the amount of silica in the magma, the higher is its viscosity
Silica no effect in viscosity of magma.
The lower the amount of silica in the magma, the lower is its viscosity
The lower the amount of silica in the magma, the higher is its viscosity
20sS9ES -IIIb-28 - Q9
9.Which type of volcano characterized by tall eruption columns that reach up to 20 km high with pyroclastic flow and ash fall tephra?
Pilian
Vulcanian
Phreatomagmatic
Strombolian
20sS9ES -IIIb-28 - Q10
A rapid flowing mixture of volcanic material and water usually generated along river channels by extreme rainfall
Lahar
Lava flow
Tephra
Volcanic gases
20sS9ES -IIIb-28