X-ray Earth → [RELIABLE]

: An eruption could be large enough to plunge the entire planet into a "volcanic winter".

: The massive volcano system beneath Yellowstone National Park . X-Ray Earth

: Scientists explore the potential for a massive landslide that could send a killer tsunami across the ocean toward the U.S. East Coast. Episode 3: Volcano Apocalypse : An eruption could be large enough to

: Pressure has been building for over 300 years. A slip could trigger a mega-earthquake and a devastating tsunami. Episode 2: Atlantic Coast Killer Focus : The Atlantic island of La Palma. X-Ray Earth

X-Ray Earth - National Geographic for everyone in everywhere

: A massive fault line 80 miles off the Pacific Northwest coast.