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Input: Keith Perkins  got the phone alert and later heard the sirens going off in  his  southeast Alaska hometown of Sitka.
 He  said people on Facebook were chattering back and forth about whether this was real or not and what they should do.
Given the magnitude of the earthquake   Perkins  said  he  thought it best to head to the high school  a tsunami evacuation point  even though in the past  he  felt  his  home was at a "high-enough spot."
"I figured I'd probably just better play it safe "  he  said.
In Seward  at the southern end of Alaska's Kenai Peninsula  residents retreated to higher ground or left on the only road out of the city  fire chief Athey said. He described  it  as a controlled evacuation and compared  it  to folks driving home from a holiday fireworks show.

Alaska hit by 7.9 earthquake; tsunami warning canceled