What is the loudest sound you have ever heard?

Question

I was in a arena when a F-16 flew over otherwise a .308 with only 15db earplugs

Answer 1

mój bąk.

:D

Answer 2

My weeping sound on 26th December 2004 when we lost the life of 10,000 people by Tsunami in our country .Even though I alerted 2 hours before Tsunami struck our coast to local T.V.station nobody took care on my alert message.We sensed very strong earthquake at 6.42 IST time itself.

Answer 3

Blue Angels flying low over San Francisco during Fleet Week.  Totally awesome.  Indy cars are quite loud as well.