If you would like to see what the volcano is doing at any given time, try this live camera:
http://rkk.jp/livecamera/aso_live.php
The reports I’ve seen indicate that the volcano has settled down a bit since yesterday. On the other hand, I heard an expert on TV say that he expected the volcano to be relatively unstable (that is, to behave more-or-less as it has for the past year or so) for a few more years.
– Kirk