[Siobhan]

That is very, very helpful. I think for most of ordinary folk Krakatoa is the worst one can imagine because it is a relatively recent event and still in common parlance. But your information puts it all in proper perspective with regard to Lake Toba.

Nevertheless; the fears I hear being expressed I think go beyond all of this toward a contemplation of a Near Extinction Event with multiple volcanic eruptions throughout this region where I live.

[blam]

The Tambora eruption:

Eighteen Hundred And Froze To Death (The Infamous 'Year Without Summer')