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Alcedo Volcano, Galapagos Islands

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Patricia Cain

on 23 April 2015

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Transcript of Alcedo Volcano, Galapagos Islands

Alcedo Volcano, Galapagos Islands
Alcedo Volcano
after the Eruption
Mauna Loa
Shield Volcanoes
By: Patricia Cain
Safety Tips
Alcedo is very isolated and is not easy to access. Because of this, there are no pictures of Alcedo's last eruption in 1993. Then, it had a huge population of Galapagos Tortoises. Now, they are nearly extinct because of the eruption.

Alcedo Volcano is a shield volcano. It is located on Isabela Island in the Galapagos Islands. Alcedo's last eruption was in November 1993.
Mauna Loa is another shield voclano, located in the Hawaiian Islands. Mauna Loa's last eruption was on March 25, 1984. Mauna Loa is Earth's largest Volcano. The enormous volcano covers half of the Island of Hawaii and amounts to about 85 percent of all the other Hawaiian Islands combined! Through the years, Mauna Loa has triggered earthquakes. One of the most massive occurred in 1868 at an estimated 8.0 magnitude, producing landslides that buried houses and cattle in the Ka'u district. A 1983 earthquake led to $7 million in damage to roads and structures in the Ka'u, Puna and Hilo districts.
Most of the volcanoes on Earth are shield volcanoes. A shield volcano is a wide volcano with sloping sides. Shield volcanoes are formed by lava that flows eaisly. Shield volcanoes build up from the sea floor, and once they reach the surface of the sea, they become volcanic islands. They are also known as sea mounts, or undersea mountains.
More About Shield Volcanoes

Be prepared for mudslides, flash floods, earthquakes, ash falling, acid rain and tsunamis.
Prepare a disaster supplies kit for your home and car.
Include a first aid kit, food, bottled water, flashlight, dust mask, goggles and sturdy shoes.
Know evacuation routes and elert codes.

Shield volcanoes are formed when volcanic eruptions with magma flow out in all directions. The types of eruptions shield volcanoes produce are known as Hawaiian after the Hawaiian chain where they mostly occur. Also the name, shield volcano, comes from the resemblance to the shape of a warrior's shield.
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