A cursory glance at the history books and the news makes it all too apparent that massive, wide-spread human death is not only possible, but seemingly inevitable. From the Black Death plague, to the Indian Ocean Tsunami that devastated Indonesia, to the Holocaust... mass death seems right around the corner. Here's highlights 5 potential nightmare scenarioes facing humanity.
Source: MPH Online
To be honest, I had never heard of a Super Volcano. I think of all of these, I'm most scared of agricultural collapse ... because that will cause humans to wreck havoc against each other. Think pillaging and lawlessness.