Mega Disasters, "East Coast Tsunami"

Hurricanes. Earthquakes. Floods. Blizzards. Frightening but all too familiar natural disasters. But what about a tsunami wave hitting the east coast of the United States? In this hour, we look at...

What would happen if a massive earthquake and tsunami were to strike the West Coast of the United States? Experts say it could easily match the catastrophic 2004 Indian Ocean tsunami in scale and...

Hurricanes. Earthquakes. Floods. Blizzards. Frightening but all too familiar natural disasters. But what about a tsunami wave hitting the east coast of the United States?

Scientists at the University of Kansas believe gamma ray bursts were responsible for a great mass extinction on Earth 450 million years ago. The gamma rays strip away the ozone layer and generate...

The cause of the Biblical Great Flood may have been a massive three-mile wide comet that crashed in the Indian Ocean, 4,800 years ago. It is believed to have decimated over 60% of Earth's population.

On the morning of December 6, 1917, the French steamer Mont Blanc, loaded with 2,300 tons of picric acid and 200 tons of TNT, was making its way through the narrows of the harbor of Halifax, Nova...

The largest and most active volcano system in the world is right here in the western United States. Six hundred thousand years ago, the Yellowstone volcano erupted. Lava and pyroclastic flows...

Mauna Loa, Hawaii, 1868, in its most spectacular eruption, spewed out enough lava to cover 40 percent of the Big Island. A similar eruption occurred in 1950. Now that the island has become...

The 1980 eruption of Mount St. Helens alerted scientists and the world to the dangers of an explosive volcano in the Cascade Range.

Scientific theory states that gigantic eruptions of methane gas from deep in the ocean have occurred regularly throughout history.