If we could hear in space, what would make the loudest sound?

The 1883 Krakatoa volcano eruption was the loudest sound recorded on Earth, but there are much louder sounds in space, even though we technically can't hear them.

https://www.msn.com/en-us/video/science/if-we-could-hear-in-space-what-would-make-the-loudest-sound/vi-BBST66G?ocid=spartanntp