What is a volcanic eruption?

Answer

A volcanic eruption is a sudden blast of steam and volcanic material from a volcano. Any eruptions within a 168 hour period are considered single eruptions.
Q&A Related to "What is a volcanic eruption?"
Volcanoes can be found all over the world; some are dormant, some active and others extinct. The reason why these volcanoes exist or have existed is because molten rock, called magma
http://www.ehow.com/info_8208742_causes-volcanic-e...
The kinds of eruptions are the quiet eruptions and the explosive eruptions.
http://wiki.answers.com/Q/What_are_the_kinds_of_vo...
Discharging of fumes, dust and lava from volcanoes. They have damaging potential in addition to those of being physically overpowering by the lava flow or the ash or dust fallout.
http://www.answers.com/topic/volcanic-eruptions
I believe from the research that I have done that the most explosive volcanic eruption was that of Mt Vesuvius in 79 A.D. It covered the city in up to 20 feet of volcanic ash, pumice
http://wiki.answers.com/Q/What_was_the_most_explos...
1 Additional Answer
Ask.com Answer for: what is volcanic eruption
When a volcano erupts, hot magma (molten rock), gases and volcanic ash are emitted. The explosiveness of the eruption depends on the consistency of the magma and the amount of pressure built up prior to eruption.
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