Volcano Facts

Volcano Facts
A volcano is a hollow mountain. When a volcano is over an opening in the Earth, it erupts. During a volcanic eruption, hot gasses and rocks flow or burst out of the volcano.
Interesting Volcano Facts:
Volcanoes tell us what is inside the Earth's crust.
Magma is molten rock inside the volcano and lava is when the molten rock comes out of the volcano.
The Ring of Fire is a ring of volcanoes that circle the Pacific Ocean.
In order for a volcano to erupt, it must be over a hot spot.
Over 75% of the world's volcanoes are located in the Ring of Fire.
Volcanoes can form over mantle plumes which are areas of hot rock under the surface of the Earth.
There are volcanoes on the ocean floor that create new sea floor.
An erupting volcano can cause other natural disasters such as earthquakes and tsunamis to occur.
Eruptions are what cause a volcano to get bigger.
There are three different categories of volcanoes: active, dormant, and extinct.
An extinct volcano is one that has not erupted in a very long time and is not expected to ever erupt again.
Earth has over 1500 active volcanoes.
The largest active volcano is the Mauna Loa in Hawaii which is over 13, 600 feet above sea level.
Ninety percent of the world's earthquakes occur along the Ring of Fire.
Mount Fuji is the tallest mountain in Japan and is also a dormant volcano.


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