No, they're not; Feds are there to assist, if needed. You didn't read the article...
"Federal disaster relief and control is a relatively recent phenomenon. The response to the Galveston hurricane in 1900, with some 12,000 dead, was almost entirely by Texas. After the San Francisco earthquake in 1906, with around 3,000 dead, federal troops helped maintain order and establish medical units, but the recovery was primarily an effort by California. The Federal Emergency Management Agency was not created until 1979. Its mandate was to coordinate national responses to assist state and local governments in disasters. It was never meant to shift control."