Yellowstone: Rising In 1959, Yellowstone National Park experienced a magnitude 7.9 earthquake. Ancient geysers, long dormant, became active again, and several new ones erupted for the first time. Deep underground fissures opened, completely undetected by recording equipment of the era. The cavernous magma chamber located beneath Yellowstone's Caldera, emptied by a catastrophic eruption six-hundred-forty-thousand-years earlier, began to slowly, but steadily fill. Since June of 2003, many trails within the park have been closed due to ground temperatures exceeding 200 degrees Fahrenheit. In...