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Katmai Volcano

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A volcano is a weak spot in the crust where molten material, or magma, comes to the surface. In a volcano there is a magma chamber, pipe, vent, lava flow, and craters. A magma chamber is the pocket where magma collects under or below a volcano. The pipe of a volcano is the long tube in the ground that connects the Earth's surface to the magma chamber. A vent in a volcano is where the molten rock and gas from the volcano leave through an opening. The lava flow is a certain area that is covered by lava that is coming out of the vent. Lastly, a crater is a bowl shaped area that is formed at the top of the volcano. The eruption of 1912 or Mount Katmai was the biggest eruption of the 20th century. Located along the Alaskan Peninsula …show more content…

An active volcano is a volcano that's erupting, supposed to erupt in the near future, and has had an eruption in the last 10,000 years.An active volcano can be erupting or dormant. Dormant volcanoes are active volcanoes that are supposed to awaken in the near future and become active. A extinct volcano is a volcano that is “dead” and unlikely to erupt again. The Katmai volcano is active-dormant. This is because it has erupted in the last 10,000 years and will most likely erupt again. The activity of the Katmai volcano has not changed over time. There has only been one eruption that has been officially recorded with evidence, which was the eruption of 1912. The eruption of 1912 was the biggest eruption of the 20th century. There were aftermath disasters. There was noise pollution, the sound of the blast was heard in Juneau, Alaska 750 miles away from the volcano. The volcano continued to erupt gas and tephra for 60 straight hours. The eruption caused people and animals on Kodiak Island to evacuate. Anyone who didn't evacuate quick enough died from suffocation, blindness, or inability to find food or water. The ash built up to 1 foot on the ground. Also ash built up on roofs causing buildings to collapse on

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