"Imagine every single outlet - TV outlet - in the world is there, so there's all kinds of technical things going on.
"For Mariah, I was up there at the stage to introduce her on the same stage she performs on," he explained. "And it's live television, and things happen on live TV, and, you know, if something goes wrong, it's unfortunate for anybody."
Seacrest also carefully addressed claims from Carey's camp the 46-year-old songbird was "sabotaged" and her own comment that "Clark would not have let an artist go through that and he would have been as mortified as I was in real time.
"I know this team of producers - I've known these guys for years. I knew Dick Clark very, very well," he said.
"This is a team that wants to do everything they can to accommodate any artist. We are in the business of wanting people to look good and, believe me, tricky things, tough things can happen. It happens on live television. You've seen artists before in a concert pull out their earpiece because something happens," Seacrest continued.
"Something could have happened in the ears. I wasn't in those ears. It's just unfortunate that it comes to all of this. It's a night of celebration and a night of fun."
Driving the point home that he was totally in the dark about the incident at the time, he noted, "Interestingly, from where I was, I remember after I introduced the artist, I immediately physically moved from that stage back down several blocks to the other stage, so I didn't have a visual."