Hawaii false missile alert (2018)
A Hawaii Emergency Management Agency employee sent a statewide alert warning of an incoming ballistic missile. It took 38 minutes to correct the message, and residents scrambled for shelter.
The agency blamed human error and changed its alert procedures; the employee was fired.
The incident became a case study in how a single erroneous official message can trigger public alarm and damage trust in emergency systems.
The Mount Greenwood episode is smaller, but it shows how one employee email can force a public agency into correction mode and leave residents uncertain about what to believe.
