There is a short thread about this already, but try this link:
BoM-Darwin Volcanic Ash Advisory Centre
http://www.pprune.org/tech-log/43184...pi-erupts.html
And a Wiki article:
2010 eruption of Mount Merapi - Wikipedia, the free encyclopedia
(Note that "pyroclastic flow" means the hot lava is moving at 300 mph or more, which is a problem if you're on the ground, but probably not if you're in the air.)
Last edited by visibility3miles; 31st Oct 2010 at 02:22.