Estimates vary, but it would take a little more than half an hour for a missile launched from North Korea to reach Hawaii, traversing an arc of roughly 5,700 miles. State officials said that residents here would have as little as 12 minutes to find shelter once an alert was issued. 1 to North Korea,” Dan Leaf, a retired Air Force lieutenant general and Pacific Command deputy commander, was quoted as saying in The Honolulu Star Advertiser. It took 38 minutes to send out a follow-up message canceling the original alert, which he acknowledged was a shortcoming with the alert system that the agency would fix. When the announcement was rescinded, a digital highway sign read: “Missile alert in error: There is no threat.”People in Hawaii tend to know what to do to protect themselves to threats of a tsunami or a hurricane.

Source: New York Times January 13, 2018 18:49 UTC