This is right around where I live and work, so I was able to both see the package and hear the explosion. Scary shit, man.

https://fox13now.com/2019/08/14/parts-of-two-slc-roads-closed-wednesday-afternoon/

https://www.ksl.com/article/46617904/salt-lake-police-investigating-suspicious-package-near-280-e-600-south

https://www.abc4.com/news/top-stories/salt-lake-police-investigating-2nd-suspicious-package-in-two-days/

I suggest reading all of these links for more info on the (scary!) situation!

^^ I didn't hear any explosion, I meant that I would be able to hear it.