Supervolcano quiz 0.0 / 5 ? GeographyRestless EarthGCSEAQA Created by: emilyemCreated on: 07-05-14 19:47 What is the supervolcano in Yellowstone national park called? yellowtone caldera 1 of 11 How much material does a volcano need to eject to be a supervolcano? at least 1000 km³ 2 of 11 How often is there an eruption at yellowstone? every 600,000 years 3 of 11 When was the last eruption? 640,000 years ago 4 of 11 How many earthquakes are there at yellowstone each year? 1000-2000 5 of 11 How big is the magma chamber thought to be? 3 x new york city 6 of 11 How far would pyroclastic flow travel? 100 km 7 of 11 How many people would be killed from the ash cloud? 0.5 million 8 of 11 How far would magma travel into the air? 50 km 9 of 11 How much lava would pour out? enough to cover the whole of the usa with a 5 inch layer 10 of 11 What would the ash do to the world? stuck in atmosphere so block sunlight, temperatures drop 11 of 11
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