This would have killed millions if it was the same strength as the previous one
Krakatoa was so loud during it's eruption that the soundwaves alone could be heard from Australia.
Standing next to a plane is about 180 DB of soundwaves.
Remember that Decebils are logarithmic so like 10x for every 1.
Krakatoa at the volcanic site was incredible
take a look:
Really interesting stuff actually