A lateral blast, also known as a lateral eruption, is a volcanic eruption that occurs out of the side of a volcano instead of at its summit. An example of a lateral blast is the 1980 eruption of Mount St. Helens. More »

Play "Marble Blast Gold" by rolling a virtual marble from the start point to the end point of a three-dimensional course without falling off the edge of the platform. Some levels of "Marble Blast Gold" also include obsta... More »

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According to the American Iron and Steel Institute, the purpose of a blast furnace is to produce enough heat to extract iron from raw ore. Iron ore, coke and limestone are placed into a blast furnace and then heated unti... More »

Side vents, also known as secondary vents, in a volcano allow some of the magma and gases to escape but are not the main vent where the eruption takes place. One of the volcano's most recognized characteristic is the cra... More »

Pyroclastic eruptions involve either explosions of mainly solid rock, ash and hot gases or the collapse of a volcano during an eruption. Known as pyroclastic flows, these eruptions consist of emissions of large rock frag... More »

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The volcano Popocatépetl produces magma that is primarily andesite mixed with some dacite as of the current eruption cycle including 2015. This active stratovolcano, the second tallest peak in Mexico, has erupted primari... More »

An active volcano is one that has had at least one eruption in the past 10,000 years. An active volcano can be dormant or erupting. More »

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