Yellowstone volcano: How a magnitude 7 EARTHQUAKE rocked Yellowstone again after 60 years YELLOWSTONE volcano was rumbled by more than 3,000 earthquake aftershocks nearly 60 years after a deadly magnitude 7.2 tremor struck the supervolcano, geologists have shockingly revealed. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:ScienceTake: The Hummingbird as Warrior: Evolution of a Fierce and Furious BeakAsteroid which wiped out dinosaurs contains alien metals which could CURE CANCERRussia creating HYPERSONIC space drone for first unmanned flight in 2023Colonists Brought Death, Disease and Climate Change to the Americas, Study FindsNorth Pole ANOMALY: Why is Earth's magnetic field shifting? Will the magnetic poles flip?How the Hummingbird Bill Evolved For Battle