After I pressed it, someone said "This can't be good" and ground's shaking. I thought water should fill in this sewer or something but no, nothing else happened.
Is there any event about it? Or is it some kind of easter egg?
After I pressed it, someone said "This can't be good" and ground's shaking. I thought water should fill in this sewer or something but no, nothing else happened.
Is there any event about it? Or is it some kind of easter egg?
You will get an achievement for pressing it. A Steam user is mentioning it on this post (tenth comment) and it is confirmed by the Wasteland 2 Achievements Gamepedia Page. The achievement is called "Pushed the button".
Also, this Achievements Guide tells you exactly how and where to get it.
Quoting this walkthrough of the game...
Computer – Suspicious computer, with big dagerous[sic] looking red button... After pushing him ground will shake, but nothing more happens.
It's no more than a quick bout of humor.