Yellowstone volcano: How Norris Geyser activity forced scientists to take action YELLOWSTONE volcano scientists were forced to take drastic action after increased activity was recorded at the Norris Geyser, unearthed documents reveal. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:China news: ‘Artificial sun’ nuclear reactor to be ready THIS YEAR - scientists’ claimEarthquake WARNING: Major tremor could hit TODAY - shock claimShe Invented a Board Game With Scientific Integrity. It’s Taking Off.Cancer Patients Are Getting Robotic Surgery. There’s No Evidence It’s Better.From Russia, With ThrustersSHOCK NASA VIDEO: Powerful solar storm caught on film - and it could hit EARTH