[Answer] Volcanic eruptions occur because of _____.

Answer: magma that needs to be releasedplate tectonicsstress and pressureall of the above

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Volcanic eruptions occur because of _____. The material that is expelled in a volcanic eruption can be classified into three types: 1. Volcanic gases a mixture made mostly of steam carbon dioxide and a sulfur compound (either sulfur dioxide SO2 or hydrogen sulfide H2S depending on the temperature) 2. Lava the name of magma when it emerges and flows over the surface Magmatic eruptions produce juvenile clasts during explosive decompression from gas release. They range in intensity from the relatively small lava fountains on Hawaii to catastrophic Ultra-Plinian eruption columns more than 30 km (19 mi) high bigger than the eruption of Mount Vesuvius in 79 that buried Pompeii. Hawaiian eruptions are a type of volcanic eruption named after the Hawaiian volcanoeswith which this eruptive type is hallmark. Hawaiian eruptions are the calmest types of volcanic events characterized b… They are caused by the fracturing of brittle rock as magma forces its way upward. These short-period earthquakes signify the growth of a magma body near the surface and are known as 'A' waves. These type of seismic events are often also referred to as Volcano-Tectonic (or VT) events or earthquakes. Timeline of volcanism on Earth - Wikipedia ...

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