On 1/6/2015, Kagoshima local meteorological observatory announced Sakurajima is having the inflation of the volcanic edifice.
According to the local meteorological observatory, the crater is stuck with volcanic ash. Clinometers and extensometers have been showing the inflation since 1/1/2015, which implies that magma and volcanic gas are accumulated inside.
They state there is a possibility that Sakurajima causes large volcanic cinders and pyroclastic flow.
Sakurajima has erupted for 43 times from 1/1 to 1/5/2015.
http://www.jma-net.go.jp/kagoshima/vol/data/skr_erp_num.html
http://www.data.jma.go.jp/svd/volcam/data/volc_img.php
http://www.asyura2.com/14/jisin20/msg/362.html
Iori Mochizuki