Karangetang in Indonesia erupting in June of 2007.
This year we haven't had a lot of news about volcanic activity in Indonesia. This is not to say that eruptions haven't been happening, rather they just haven't been in the news. If you check out the current status of the volcanoes of Indonesia, you'll see that no less than six volcanoes are on orange (Level 2) status and another fourteen are on yellow (Level 1 - and there is a Level 0 as well). So, it is a active arc as arcs go (compare that to the Aleutians or Cascades).
This means that it should come as little surprise that Karangetang on the island of Sulawesi erupted overnight. Based on the reports, it seems that the volcano had a partial dome collapse (possibly aided by heavy rains) that caused a block-and-ash flow to be generated along with potentially a minor explosive ...
