This doesn't seem good
Yellowstone supervolcano has been hit by 2,500 earthquakes in one of the longest swarms ever recorded
http://www.newsweek.com/yellowstone-supervolcano-earthquake-swarm-longest-ever-recorded-677387
Yellowstone supervolcano has been hit by 2,500 earthquakes in one of the longest swarms ever recorded
http://www.newsweek.com/yellowstone-supervolcano-earthquake-swarm-longest-ever-recorded-677387