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A volcano that is currently in a state of regular eruptions.
Active Volcano
How do geologists classify volcanoes?
Active Dormant or Inactive
Who defines a volcano as active within the last 10,000 years?
Smithsonian Global Volcanism Program
What is the most active volcanic zone?
The Pacific Ring of Fire
What is the area around the Pacific Ocean?
The Pacific Ring of Fire
What are linked on the ocean as well as on land?
Faults Earthquakes Volcanoes
A volcano that is capable of erupting.
Dormant or Inactive Volcano
A volcano that will probably erupt again in the future.
Dormant or Inactive Volcano
A volcano that has not had an eruption for a very long time.
Dormant or Inactive Volcano
A volcano that has no record of eruptions.
Dormant or Inactive Volcano
The physical form of this volcano is being changed by weather and erosion.
Dormant or Inactive Volcano
Because of weather and erosion, what do Dormant Volcanoes form?
Deep and long gullies
How long can a volcano last?
A thousand or million years with regular eruptions.
A funnel shaped depression or pit.
Crater
What does happens when a crater becomes very large because of its collapsed walls?
Forms a Caldera
What do geologists claim volcanoes are?
Windows into the interior of the Earth.
What provides clue to the chemical composition of magma inside Earth?
The mineral makeup of lava.
PHIVOLCS
Philippine Institute of Volcanology and Seismology
It is dedicated to monitor the activities of volcanoes, earthquakes and tsunamis.
Philippine Institute of Volcanology and Seismology