This blog post contains several interesting photos displaying the aftermath of the eruption. I couldn’t find the original cover image on the JMA site, though. The post contains a link to the following pdf document with more images (the text of the pdf is in Japanese):

https://www.gsj.jp/hazards/volcano/kazan-bukai/yochiren/aso_20161013_1.pdf

See also

https://lechaudrondevulcain.com/blog/2016/10/14/october-14-2016-en-piton-de-la-fournaise-planchon-peteroa-asosan-turrialba/

– Kirk

http://www.earth-of-fire.com/2016/10/back-on-the-eruption-of-aso-and-the-current-activity-at-turrialba-and-the-nevado-del-ruiz.html