Caused by the magma under the crust is being compressed, insert a pressure crack to the surface world. A strong bomb explosion or by workers occur.What is ejected from a volcano, when the volcano explodes, the magma steam? The rock debris and dust of gas is ejected from the crater (magma if it is thrust out from the Earth surface is called lava but still below the surface of the Earth is called MAK.)Where there is a chance the volcano occurred. Joints between the place stays as an opportunity the volcano occurred. Specifically, where is the address of the plate tectonics. Beneath the ocean floor into the crust under part of the continent. Because the crust plate tectonics to burrow down to be fused to become magma. Surface area, so the Insert up the world easier than another area. The area away from the seam between the crust probably caused the volcano, which occurred by the magma has been pushed up by a crevice in the rock layers.Type of volcano1. a volcano cone height (Steep cone). • Caused by lava is acid or Acid lava cone. • Conical hills of volcano is due to deposit of lava is acid. Because it is composed of the elements silicon and other elements namakkwa. • Lava is sticky and viscous. Everything flows and moved to slowly, but is a very fast, making his shoulder. • Volcano to explode a serious 2. Mount the shield (Shield Volcano). • Emerging from lava that has a base (Basic lava volcano), because it contains magnesium and iron ore. • Lava looks rubbish faster and slower curing • A mild blow, there is a small stone chips and charcoal ash and smoke sprayed the chimney mouth area.3. Mount the light cones (cinder cone and Ash) gravel. Look up a narrow base of cone volcano that is the most serious blow.4. the switch (Composite cone). -Mountain shape symmetry (Symmetry) -Cone of the volcano with many layers. Some layers consisting of lava and ashes switch. -If there is a severe blow, there is lava flowing out from the dot of the Valley nakhang. -A volcano, there is a large crater and basin crater (Crater), a large mouth. The advantage of the volcano occurred. 1. the Earth expanding wider or higher. 2. a new island occurred after eruptions occurred under the sea. 3. soil caused by volcanic explosions are rich in various minerals. 4. as a source of hot spring occurs. The consequence of a volcano 1. when a volcano explodes, there will be some smoke and carbon dioxide, which can be harmful to living organisms. 2. the eruption of a volcano may cause earthquakes. 3. life and property nearby. 4. the climate has changed noticeably.A volcano in the country, Thailand -Mt. DOI PHA khok have forests and crater DOI PHA khok Hin Fu, Lampang. -Phu Phra Charoen Suk Tuesday, t. Chalerm Phra Kiat district province of buriram.The volcano's blast occurred. Volcanic bomb is a natural disaster, a serious one. The explosion of the volcano show that under the surface of the world, our hen go down one level. There is a lot of accumulated heat, especially the so-called "hot spots" at the area with a stone-lined and the meltdown is called when it is sprayed up the crater. We called the lava The cause of volcanic bombs.The process of the bomb is not that brilliant students. Geologists estimate that the accumulated heat is that of the official makboriwen. Allow the steam and gas accumulated in Shenzhen came away even more, which produces a high pressure heat. The one point it will blow out. Rate the severity of the blow, depending on the severity of the blast, as well as, depending on the pressure of steam and the viscosity of the lava. If the lava very viscous the rate of explosions will be very severe. Time bomb: not only are volcanic lava flows. There are also steam gas. Coal ash powder dust out. Hood rolls down to the group. They are enclosed, water vapor is naenklai. Remove the ash dust to fall with the runoff becomes a mud flood in the lower mountain areas to. If the snow cover is the volcano it will melt the snow. Bring the mud came a lot, such as in the case of a disaster that occurred in this country to Colombia. Source: Faculty of science, Faculty of science encyclopedia.. 2534 (1991). ภัยจากภูเขาไฟระเบิดเป็นอีกมหันตภัยหนึ่งที่เกิดจากความเปลี่ยนแปลงของธรรมชาติ ภูเขาไฟพบเห็นอยู่ในทุกภูมิภาคของโลกแม้แต่ในประเทศไทยก็มีภูเขาไฟอยู่หลายลูกกระจายตัวอยู่ในจังหวัดต่างๆ ภัยจากภูเขาไฟสำหรับคนไทยแล้วอาจจะดูห่างไกลกว่าภัยธรรมชาติชนิดอื่น แต่ถึงกระนั้นเราก็ไม่ควรเพิกเฉยต่อการเปลี่ยนแปลงเสียทีเดียว นอกจากความน่าสะพรึงกลัวจากภัยภูเขาไฟแล้วภูเขาไฟบางแห่งก็มีทัศนียภาพที่สวยงามตัวอย่างที่เห็นได้อย่างชัดเจนก็คงจะหนีไม่พ้นภูเขาฟูจิที่กลายเป็นสัญลักษณ์ของประเทศญี่ปุ่นไปแล้ว แต่ความเปลี่ยนแปลงที่อยู่ลึกลงไปภายใต้แผ่นดินความสวยงามอาจกลายเป็นภัยที่สามารถเผาผลาญชีวิตมนุษย์ สัตว์ และพืชได้ในพริบตาเดียว Mt. Fuji.Image from http://www.asiavacation.com/ Volcanic bomb events still occur continuously although each time damage is at the core of thousands of people died in the catastrophic loss of a population may not be as other types of natural disasters, but positively impact the environment as well as the geographic changes and natural disasters of this kind must be regarded as particularly likely to be alarmed that the disasters. Our neighboring countries, Indonesia is a geographic feature many extensive volcanic explosion ever happens, severe, at least three times.There are five thousand years when some 7 thousand, volcano master BA. Sumatra Country Indonesia., debris, rocks and ash covered the world and spread the giant obscured the Sun so far has assumed that the incident came as the cause of the ice age era of the world. In 1815 Mount TAM Bora light Hunt (Tambora) In the country of Indonesia. The blast in the land of the vibration and sound emphatically go beyond proof in the 850 km, causing tremendous spread of dust and powder debris thuli covered the world until world in the year of the summer. After e
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