Pyroclastic flow at Shinmoedake volcano
Finally, this volcano has been constantly erupting since the beginning of March but on Sunday March 25th,2018, Shinmoedake sent plumes of gas and ash 16,000 feet into the air and created its first pyroclastic flow. This volcano has been very active over the past several years but throw this eruption into the pile of volcanoes that are becoming increasingly more active than ever .

Yeah that is an ash tornado …… Alert levels remain at 3 and people are still urged to stay away. Here is the link to the full stats on this eruption:
https://watchers.news/2018/03/26/explosions-at-shinmoedake-volcano-first-pyroclastic-flow-japan/