What do you call magma that reaches the surface?

• Llama

• Lava

• Magnum

• Magma

What's the main cause in volcanic eruption?

• Increase in magmastatic pressure.

• Increase in sugar.

• Increase in potato pressure.

• Increase in water pressure.

The force produced by the weight of the Earth’s crust pushing the magma downward. What force is called?

• Magmastatic Pressure

• Paricutin pressure

• Rock Strength

• Lithostatic pressure

The rock layer can be weakened by what?

• Magma

• Tectonic activity

• Hydrothermal alteration

• Earthquake

Which volcano is mentioned in this video?

• Paricutin

• Mount Fuji

• Doi Suthep

• Phu Thap Boek

What is the unloading process?

• Landslides drop the lithostatic pressure causing the eruption.

• People punch on the mountain's face causing the eruption.

• Vladimir Putin swims in the lake causing the eruption.

• Someone rules Thailand by using military dictator causing the eruption.

What is the cause of volcanic eruption from unloading process?

• Drought

• Tsunami

• Erosion and melting glaciers.

• Hurricane

Which equipment can analyze gases from escaping magma.

• Thermometer

• Spectrometer

• Altimeter

• Hygrometer

What is the process "Hydrothermal alteration" ?

• Turning hard stone into soft clay.

• An increase in magmastatic pressure.

• Turning lava into magma.

• Pushing magma upward through the crust.

What do you call a volcano expert?

• Volcanologist

• Cosmologist

• Philologist

• Zoologist