Volcanology Quiz

What is the study of volcanoes called?

• Meteorology

• Volcanology

• Geology

• Seismology

Which type of volcano is known for its symmetrical shape?

• Cinder cone

• Shield cone

• Lava dome

• Composite volcano

What is the term for molten rock that reaches the Earth's surface?

• Ash

• Tephra

• Lava

• Magma

Which volcano is considered the largest in terms of volume and area covered?

• Mt. St. Helens

• Mauna Loa

• Mt. Vesuvius

• Mt. Fuji

What is the primary hazard associated with pyroclastic flows?

• Flooding

• Extreme heat

• Gas emissions

• Landslides

Which alert level indicates that a hazardous eruption is imminent?

• Alert Level 3

• Alert Level 2

• Alert Level 4

• Alert Level 5

What is a lahar?

• A volcanic mudflow

• A type of volcanic gas

• A type of lava

• A volcanic ash cloud

Which of the following is NOT a sign of an impending volcanic eruption?

• Crater glows

• Increase in gas temperature

• Heavy rainfall

• Deformation of the ground

What is the main purpose of PHIVOLCS?

• To monitor weather patterns

• To predict earthquakes

• To study tectonic plates

• To monitor volcanic activity

Which volcano in the Philippines is known for its perfect cone shape?

• Mt. Bulusan

• Mt. Kanlaon

• Mt. Mayon

• Taal Volcano