论文部分内容阅读
地震是一种自然现象,有人统计,每年地球上大约要发生几百万次地震,而大地震造成的破坏是最严重的自然灾害中之一。那么,地震的震级和烈度是如何测定的?它一定准确吗?
Earthquakes are a natural phenomenon. According to some statistics, millions of earthquakes happen on Earth each year. The devastation caused by the earthquake is one of the most serious natural disasters. So how is the magnitude and intensity of the earthquake measured? Is it accurate?