前言在1979年10月底,长期处于休眠状态的木曾御岳火山重新喷发,使人们感到惊奇。就是专门从事火山研究的学者,也没有予测到它是活火山。若追溯到距今数万年以前,御岳火出曾有过多次大喷发,喷出大量的浮石和火山灰。 Foreword At the end of October 1979, the remnants of the Kusunomiya volcano, which had been dormant for a long time, were rebuilt, leaving people with amazement. It is a scholar who specializes in volcanic studies and did not predict that it is an active volcano. If dating back to tens of thousands of years ago, the Imperial eruption has had several large eruptions, emitting a lot of pumice and volcanic ash.