火山爆發 Volcanic Eruption

The main topic discussed today is volcanic eruptions. The uneven temperature and density inside the Earth cause high-temperature substances to rise to the shallow layers. The pressure causes these substances to converge and form magma plugs. When the pressure of the magma plug exceeds the pressure of the Earth's crust, it can break through the faults and weak areas, resulting in a volcanic eruption. The source of this magma is believed to come from the upper mantle of the Earth. Volcanic eruptions can cause destruction but interestingly, volcanoes are often located in densely populated areas. For example, Mount Fuji in Japan is surrounded by thriving vegetation due to the nutrient-rich volcanic ash. The Vesuvius volcano in Italy is known for its grape production. These volcanic areas often become popular tourist destinations due to their unique landscapes. 今日講嘅主題係火山爆發 但你知地球內部嘅溫度同密度係唔均勻 當地板中嘅高溫物質上升到地球淺層嘅時候 壓力會導致部分溶溶嘅物質匯聚喺埋一齊 並且喺地球嘅淺層會形成岩漿塞 當岩漿塞嘅壓力係大過地層嘅壓力嘅時候 岩漿就會沿住斷層同薄弱嘅地方衝破地殼 會造成火山爆發 目前普遍認為呢啲岩漿嘅來源係嚟自上地萬嘅頂部嘅原流層 猛烈嘅火山爆發當然會吞噬咗 摧毀咗大片嘅土地 會破壞咗好多嘅生命同埋財產 但奇妙嘅係火山所在之地往往都係人口稠密嘅地區 日本嘅富士山嘅四周圍就係好好嘅例子 原來火山爆發所噴咗出嚟嘅火山灰係非常之好嘅天然肥料 所以富士山嘅四周圍嘅松樹係長得特別好 係有利養殘孽嘅 意大利嘅維蘇威火山係盛產葡萄嘅 火山地區景象奇特 所以往往都會成為旅遊嘅勝地