Georgia Tech university was evacuated after a minor explosion in a laboratory.
Public relations director Lisa Grovenstein said no one was injured during the noon blast at the Ford Motor Co. environmental science and technology building which also houses classrooms.
The university's emergency notification system was activated by accident after the explosion, sending e-mails, text messages or voicemail to everyone on campus, she said. A follow-up notice was sent letting the campus know that the notification was a mistake.
The university and the Atlanta Fire Department were investigating the cause of the explosion.
Universities in the U.S. have been anxious to relay news of an emergency quickly to students and staff following an April shooting massacre at Virginia Tech. In that incident a gunman killed two people and two hours later killed another 30 before fatally shooting himself in what became the worst mass-shooting in modern U.S. history.
Virginia Tech came under fire for what critics said was a slow response to the crisis.
The discovery of the submarine has unveiled a few "inconsistencies." For example, how can one explain the fact that the sub was found where it needed to be searched for from the start?
When on a state visit to Singapore, Russian President Vladimir Putin promised to revisit the discussion of the 1956 Declaration between the USSR and Japan regarding the issue of the peace treaty with Japan
The TurkStream, which runs along the bottom of the Black Sea from Russia's Anapa to Turkey, will consist of two lines, each with a capacity of 15.75 billion cubic meters of gas a year