If the magma of a volcano is less viscous, then the explosion will be considered effusive.

This all comes down to what chemical reaction is going on in the volcanoвЂ™s molten core. Some just burp up lava, while others have very violent eruptions. It is currently broken up into 16 larger plates and some smaller ones.Д®ach volcano has its own unique eruption pattern. EarthвЂ™s lithosphere is considered the most rigid outer shell of our planet. This is something called hotspot volcanism.ДЄs you might have guessed, volcanoes are involved in plate tectonics. These volcanic areas are very isolated to themselves, and are just pockets of lava waiting to be pushed out of a volcano. Usually, this is caused by wells of volcanic material trying to push itself upwards. Volcanoes can also form where the crust of the Earth is stretching, or is very thin. The temperatures are often extreme in this zone, and when these collision events happen they release magma. When they collide, one of them will plunge under the other into what we call the subduction zone. Our planetвЂ™s lithosphere is always shifting and bumping into other pieces of itself.

Which again were formed by divergent tectonic plates. When you hear of the Mid-Atlantic Ridge or The Pacific Ring of Fire, these areas are areas that contain underwater volcanoes. However, a large chunk of them are found underwater. They are mostly found where the EarthвЂ™s tectonic plates are diverging or converging. They generally spew lava, volcanic ash, and other gases stored under the EarthвЂ™s crust. They are ruptures in the crust of a planetary object, and because of this, it means they can be located on any planet in the Universe. Around 1,500 volcanoes in the world are active, and about 10% of them are in the United States. There are volcanoes on every continent in the world. The force from a volcano can create mountains, create cracks in the surface of the Earth, lava rivers, and much more. They have helped create 80% of the planetвЂ™s surface. Volcanoes are the structures that help shape the surface of the earth.

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