Hull’s record-signing punched Manchester United defender Phil Jones in the stomach as the pair waited for a corner during the second half of a goalless draw which condemned the Tigers to the drop.
An FA statement said: “The forward admitted an act of violent conduct which was not seen by the match officials but caught on video.”
Hernandez, a ??9.5million signing from Palermo last summer, had??been introduced as a replacement for defender James Chester shortly before the??incident as manager Steve Bruce looked to snatch victory in a game his side??had to win to stand any chance of avoiding relegation.
In the event, Newcastle’s 2-0 defeat of West Ham would have sent City??down even if they had managed to collect all three points from a fixture in??which the visitors had midfielder Marouane Fellaini dismissed by referee Lee??Probert for an ugly challenge on defender Paul McShane.