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SVE - Volcano News (17273 words) |
 | Eruption phreatomagmatic (mixture of the magma with superficial or subterranean water) or magmatic: the explosions of gas go accompanied with the exit of lava in the shape of fragments (ash, lapilli, blocks and volcanic bombs according to their size in which they solidify in their traveled through by the air. |
| In any of the settings of volcanic activity, still without eruption, they would be able to be produced new flows of debris (lahars), by the dragging of the loose material that still exists in the interior of fractions and you split high of the volcano, in case to be produced rains. |
| A smaller eruption on the morning of 26 September was limited to the area of the lake, and formed green-yellow semicircular zones of mud and sulfur up to 75 m in diameter. |
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volcanic eruption animations (547 words) |
| Most volcanic eruptions are "builders," adding thin layers of lava or ash to the sides of a volcano, slowly building the easily recognized cone-shaped volcanoes seen around the world. |
| The eruption begins with the invasion of the fresh lava along the old eruption channel leading to the summit vent. |
| The second stage of the eruption is effusive: a large mass of gas-free lava percolates to the summit vent, fills it, and flows down the sides of the cone. |
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