Some are active and, in shallow water, disclose their presence by blasting steam and rocky debris high above the surface of the sea | Many others lie at such great depths that the tremendous weight of the water above them prevents the explosive release of steam and gases, although they can be detected by and discoloration of water because of |
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, , , debris flow and emission | The was recently established to protect this unusual landscape, which lies north of and south of the near the boundary with the |
Classic examples include in Japan, in the Philippines, and and in Italy.
7- A guide for children and youth• Because siliceous magmas are so viscous, they tend to trap gases that are present, which cause the magma to erupt catastrophically, eventually forming | At , where two oceanic are pulling apart, basaltic lava erupts as to fill the gap;• Stratovolcanoes are also known as composite volcanoes |
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These fertile soils assist the growth of plants and various crops | In this case, the oceanic plate subducts, or submerges under the continental plate forming a deep ocean trench just offshore |
The biggest eruption in the last 10,000 years, the volcanic ash was found deposited on the ice surface under the , close to.
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