Mount Pinatubo is a stratovolcano. Stratovolcanoes are the most deadly type of volcano, and they are recognizable by their sharp rise and steep slopes. More »

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In March 1991 and April 1991, magma rising 20 miles beneath the surface of the Pinatubo volcano caused many earthquakes and small explosions, which destroyed parts of the volcano. Then on June 12, 1991, magma filled with... More »

Mount Pinatubo is an active stratovolcano, or a cone-shaped volcano, that is made from many layers of hardened ash, lava and other volcanic rock. Stratovolcanoes are also called composite volcanoes. More »

Mount Pinatubo is an active stratovolcano, or a cone-shaped volcano, that is made from many layers of hardened ash, lava and other volcanic rock. Stratovolcanoes are also called composite volcanoes. More »

The eruption of Mount Pinatubo in 1991 was the second largest volcanic eruption of the 20th century. The eruption released a huge volume of volcanic ash and sulfur dioxide into the atmosphere. This caused the planet to e... More »

www.reference.com Science Earth Science Volcanoes

In March 1991 and April 1991, magma rising 20 miles beneath the surface of the Pinatubo volcano caused many earthquakes and small explosions, which destroyed parts of the volcano. Then on June 12, 1991, magma filled with... More »

Mount Tambora is a stratovolcano, also known as a composite volcano. In addition to a stratovolcano's conical form, other common characteristics include the volcano's steep profile, thick lava that hardens quickly and a ... More »