Earthquake rattles Yellowstone National Park Roy / Sunday, March 30, 2014 / Categories: Earthquakes Since Thursday, there have been at least 25 recorded in the nation's first national park. Yellowstone National Park sits on top of a "supervolcano" that last erupted on a massive scale about 640,000 years ago. Scientists have estimated the ... Comment Collapse Expand Comments (0) warning You don't have permission to post comments.