Im normally all for having a go at Americans for being so insula, and not realising there is a rest of the world out there, well, the NSA know, but, you know... stereotypes and all that.
But in all fairness, the Ukraine borders the EU and there are political ties or ambitions there concerning the EU. No, I don't know all the details and I wont pretend to, but ultimately, it affects the EU. The US, on the other hand, is a world away and frankly what goes on in the Ukraine is not exactly a big deal to the US or its people. Yes, on a being informed of big events in the world level, it should be reported in the US, but I can understand the US not being that interested. Im sure there are levels of concern for the US, but its a much bigger deal to us in Europe.
I'm in the USA, it's not about snow or football, so it's (embarrassingly) not front page news on the various tv news sites. It is showing up on the nytimes & washington post. so that's something.
I'm in the USA, am I'm aware of it - but only because I listen to NPR on my commute and I'm signed up for the Quartz Daily Newsletter (qz.com - I recommend it). Unfortunately, neither are hugely popular news sources in the US (outside of certain circles).