Popis: |
A summit eruption at Shindake crater of Kuchinoerabujima volcano occurred on August 3, 2014 after 34 years absence. A larger eruption than the 2014 eruption occurred on May 29, 2015. Pyroclastic flow accompanied with the eruption reached to Mukaehama coast near Maeda village. Alert level was raised to 5 by JMA after occurrence of the eruption, then all residents of Kuchinoerabujima evacuated to Yakushima island. Precursory phenomena of the 2015 eruption, such as inflation of ground deformation and increase of SO2 flux from November in 2014, appearance of volcanic glow at the Shindake crater from March in 2015 and higher seismicity of volcanic earthquakes including a felt earthquake from the middle of May in 2015 are observed. |