X-Ray EarthSeason 12020 · 3 episodesEpisodes1Seattle Mega QuakeX-raying the earth reveals a vast fault 80 miles off the Pacific Northwest coast. For over 300 years pressure has been silently building. When it slips if will generate a megaquake and tsunami that will devastate the region threatening the lives of 15 million residents living in Cascadia. Now scientists are racing to understand how bad the destruction will be when the really Big One hits.2Atlantic Coast KillerAn Atlantic island could collapse, sending a killer tsunami headed straight for the U.S. East Coast.3Volcano ApocalypseA large volcano beneath Yellowstone National Park could plunge Earth into a volcanic winter.