Mount Mihara

The Mihara (Japanese三原 山, -yama ) is an active volcano on the Japanese island of Izu - Oshima. It consists mainly of basalt. Larger explosive outbreaks occur about every 100 to 150 years.

Activity

1986 took place in a series of eruptions with high lava fountains 1.6 km, eruptions of the central chimney, radial columns outbreaks, ejection, lava flows, lava lake eruptions and up to 16 km high eruption column subplinianische. This corresponds to a Vulkanexplosivitätsindex of 3 All 12,000 inhabitants of the island had to be evacuated while.

The last eruption took place in October 1990.

Suicides

From a vantage point near the edge of the crater, it was possible to jump directly into the lava. Therefore, the volcano was often used for suicides. A well-known case was that of 21 -year-old Kiyoko Matsumoto (松本 贵 代 子) on February 12, 1933. During the same year followed 944 imitators at the same place. Due to the ongoing suicides a barrier was erected in 1936.