Raung has been active in 2014 and 2015. This is the first time tough, that I was able to observe a eruption plume from Raung, all the way from the Tengger Caldera.
Related Posts
A Flight over Sidoarjo Mudflow – 18th February 2017
See photos hereVisit to Krakatau Volcano, 20-22th March 2017
See photos here