So I didn’t think to look at what time it was (no idea why I didn’t) but yes in the middle of the night I was just sitting doing whatever on my phone and almost jumped out of my chair when I heard a massive BANG. It sounded like it was right outside my window and, like you said, it was definitely not a firework, a blown transformer, gunshot etc. it was LOUD, and jarring. But the thing is, I live in downtown at 7th and Cherry st… It didn’t necessarily shake my room tho, so maybe it was closer to where you’re at then where I’m at. But I absolutely heard it, 2AM sounds about right even though I didn’t look at the clock. Also never heard any sirens afterwards which I thought was weird.