Volcano 1
What is molten rock that is trapped underground?
magma
What happens when lava and gas are discharged from a volcanic vent?
Volcanic eruption
Located in Batangas, it's the second most active volcano in the Philippines, with 34 eruptions recorded since 1572.
Taal Volcano
What is the most active volcano in the Philippines?
Mount Mayon
A molten rock that makes it to the surface and keeps flowing like a liquid.
lava
Erupted on June 15, 1991, considered one of the most explosive volcanic eruptions of the 20th century.
Mt. Pinatubo
The typical cone-shaped volcano we usually think of, is made of layers of lava and other volcanic debris.
Stratovolcano
One of the smallest active volcanoes in the world but has recorded 33 eruptions since 1572.
Mt. Taal
A fast-flowing mudslide created by volcanic steam, rainwater, and sediments.
Lahar
Name 5 most active volcanoes in the Philippines.
Mt. Mayon
Mt. Taal
Mt. Kanlaon
Mt. Hibok- Hibok
Mt. Pinatubo
The eruption of Mt. Pinatubo in 1991 resulted in these 3 types of eruptions.
Vulcanian, Plinian, and Phreatomagmatic
Name and describe the 3 classifications of volcanoes according to PHIVOLCS.
Active - has erupted in recent human history
Inactive - not active; eroded
Potentially active - not eroded, no records yet of eruption
Name the 3 types of volcanic emissions and provide an example.
Liquid - lava
Solid - pyroclastic material (ash, cinder, bomb)
Gas - toxic gases and steam
Name 5 active volcanoes in Luzon.
Ambalatungan
Banahaw
Babuyan Claro
Bulusan
Cagua
Camiguin de Babuyanes
Didicas
Iraya
Iriga
Isarog
Mayon
Pinatubo
Taal
Smith
An active volcano is popular not only among mountain climbers but also among pilgrims as it is also considered as Holy Mountain.
Mt. Banahaw
List ALL active volcanoes in Visayas.
Kanlaon
Biliran
Cabalian
Bulusan
The type of volcano common to the Philippines.
Stratovolcano
What type of volcano and activity is Mt. Hibok- Hibok?
Lava dome; active
A type of volcano that is built entirely or mostly from fluid lava vents. They are named like this because when viewed from above, you can see just how massive and imposing they are – like a warrior’s shield.
Shield Volcano
The Philippines lies on the ______, a region around the Pacific Ocean where many of the world's earthquakes and volcanic eruptions occur.
Ring of Fire
A volcano has no record of eruptions and its form has been changed by agents of weathering and erosion with the formation of deep gullies.
Inactive Volcano
Famous caldera volcano in the Philippines.
Mt. Taal
Give 3 volcanic hazards when a volcano erupts.
Pyroclastic flows
Lava flows
Lahar
Ashfall
Tsunami
Toxic gases
Ground fissures
Volcanic landslide
Monitors volcanoes in the country and issues warnings and updates on their activity.
The Philippine Institute of Volcanology and Seismology (PHIVOLCS)
Describe the difference between a crater and a caldera.
A crater is smaller and typically caused by a single explosion that blows outward.
A caldera is massive and is the result of a volcano collapsing inward.