Looking back on deadly blast that rocked Houston 1 year ago KTRK Replay Video UP NEXT It has been one year since a northwest Houston explosion shook the area and killed three people. We're taking a look back at the shocking event that rattled homes as far away as Kingwood. The explosion happened Friday, Jan. 24, 2020, around 4:25 a.m. in the 4500 block of Gessner Road at Watson Grinding and Manufacturing, a machining and manufacturing company. A home security camera captured the moment of the blast. The explosion gave residents a rude awakening as some reported it was felt for miles, as far as the west side of town.