I was mistaken about it being uninhabited. According to today's Stars and Stripes -
Ioke spawned last week well to the south of the Hawaiian islands, developed into a hurricane and lashed Johnston Island last Wednesday, JTWC officials said.The Associated Press reported that five Coast Guardsmen and seven Air Force contractors on the island took shelter from Iokes 105 mph winds in a bunker designed to weather a Category 4 storm.