They don't really.
There's just more people around to experience them and more video cameras around so that the reports look more interesting on the "news" shows than they used to.
Shielf volcanoes generally produce "quiet" eruptions. Explosive eruptions are rare.
There are three types of volcanoes which have different shapes and types of eruptions. * Shield Volcanoes - are low and flat and have small, flowing eruptions. * Composite Volcanoes - are a mixture between shield volcanoes and cone volcanoes, their eruptions are explosive. * Cone Volcanoes - are the tallest and largest volcanoes, and they have VERY explosive eruptions.
lalala
shield volcanoes.
Eruptions at shield volcanoes are almost always non-explosive.
No one can predict.Also, there will be volcano eruptions at volcanoes mostly.
Large explosive eruptions are generally characteristic of stratovolcanoes.
Volcanoes in Japan have explosive eruptions because there is a a magma chamber that has not completely move along the mantle yet so when it erupts it has explosive eruptions.
Robert I Tilling has written: 'Volcanoes' -- subject(s): Volcanoes 'Eruptions of Hawaiian volcanoes' -- subject(s): Volcanoes 'Eruptions of Mount St. Helens' -- subject(s): Eruption, 1980, Volcanoes
Volcanoes are created by layers of ash and lava eruptions
Cinder cone volcanoes produce small explosive eruptions.
composite volcanoes