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27 Ιουλ 2009 · Volcano Lava | National Geographic. Get immersed in a volcanic landscape with bubbling lava, spewing eruptions, and colliding rivers of fire. Subscribe: http://bit.ly/NatGeoSubscribe...more.
The eruption released an avalanche of hot ash, gas, steam, and rocks that mowed down giant trees up to 15 miles (24 kilometers) away. When magma finds a way to escape from beneath the earth's...
29 Απρ 2024 · The 1985 eruption of Nevado del Ruiz, Colombia, caused small lahars of rock, ash, and melted snow to flow down into the surrounding river valleys. The lahars gained momentum and size as they traveled the riverbeds, ultimately destroying more than 5,000 homes and killing more than 23,000 people.
Lava from an eruption. Most volcanic eruptions are caused by pieces of the Earth's crust, called tectonic plates , moving towards each other. Some volcanoes, like Mauna Loa in Hawaii are...
How do volcanos work? From explosive eruptions to creeping lava flows, this NYT video explains the anatomy of a volcano, and how the unseen underground variables can make it difficult to know how a volcano might behave:
19 Οκτ 2023 · A volcano is an opening in a planet or moon’s crust through which molten rock, hot gases, and other materials erupt. Volcanoes often form a hill or mountain as layers of rock and ash build up from repeated eruptions. Volcanoes are classified as active, dormant, or extinct.
15 Ιαν 2018 · Lava rivers spread into bleak landscapes. But as time ticks by, the elements break down these volcanic rocks, liberating nutrients from their stony prisons and creating remarkably fertile soils...
