Yellowstone Supervolcano 'even more Colossal'

12-31-2013 • arclein

he team found that the magma chamber was colossal. Reaching depths of between 2km and 15km (1 to 9 miles), the cavern was about 90km (55 miles) long and 30km (20 miles) wide. It pushed further into the north east of the park than other studies had p