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地球的固体岩石是组成岩石圈的主要成份。但岩石有裂缝和洞隙,其中充有各种液体(如水,石油等)和气体,称它们为流体。因浅源地震均发生在岩石圈内,故地下流体与地震的关系早为人们所察觉。古之论地震者甚繁,“或地含生气,自为震动;或谓地体如舟浮海中,迂风波即动”。此类说法科学性虽不够完整,但古人已知地下含有气、水,它们与地震成因有关。我国两千多年的地震史料中,对地震前后“池沼干涸,地裂泉涌,砂石喷溢”等现象记录甚详细。但当时人们只能根据目睹的宏观现象来描述地下流体与地震的
Earth’s solid rock is the main component of the lithosphere. But rocks have cracks and holes, filled with liquids (such as water, oil, etc.) and gases, calling them fluids. As the shallow source of earthquakes occurred in the lithosphere, so the relationship between underground fluids and earthquakes as early as people notice. On the ancient theory of earthquakes are very complicated, “or containing the angry, since the vibration; or terrain such as the boat floating in the sea, the storm that move.” Although the scientific nature of such statements is not complete enough, the ancients have known that the ground contains gas and water, which are related to the cause of the earthquake. In the historical data of more than two thousand years in our country, the phenomenon of “the ponds dried up, the earth-quaking springs overflowing and the gravel overflowing” was recorded before and after the earthquake was recorded in great detail. But at that time, people could only describe underground fluids and earthquakes according to the macro phenomena they witnessed