Synopsis

The 1983 eruption of Miyake Island, off the coast of Tokyo, inundated or destroyed roughly four hundred homes, along with a reinforced concrete school consumed by the advancing lava. A 2021 revision to the hazard map for Mount Fuji indicates that lava flows could inflict significantly more damage than previously estimated. This raises crucial questions: why have these damage projections been revised upwards, and what protective measures are now necessary? In this discussion, we will examine rece