我们现有的关于爆发火山作用的许多知识,是由观测火山喷发、直接研究其动态过程得来的,或者是由分析沉积物得来的。然而,重要的是还要考虑超级火山喷发的证据,这种火山喷发即使在人类历史上有过文字记载,但也是很罕见的,可是留有丰富的地质证据。这种火 Much of our existing knowledge of the volcanic eruption is derived from observing volcanoes, directly studying their dynamic processes, or by analyzing sediments. However, it is important to also consider the evidence of super volcanic eruptions, which are rare even though documented in human history, but are rich in geological evidence. This fire