About Tsunamis

Tsunamis are giant, powerful waves most often caused by earthquakes beneath the ocean floor. Their incredible power can destroy entire communities, then drag the debris out to sea. This video shows what causes tsunamis and the importance of evacuating any area under a tsunami alert.

Ancient Stars Unleashed a Space-Time Tsunami Felt on Earth loading...
Ancient Stars Unleashed a Space-Time Tsunami Felt on Earth
Like paleontologists describing a fossil, astronomers have teased out the backstory of the first directly detected gravitational waves.
Scientists Debate Evidence of Ancient Megatsunami loading...
Scientists Debate Evidence of Ancient Megatsunami
Giant tsunamis may have helped to shape the world around us today.
Tsunami Facts loading...
Tsunami Facts
Learn how the killer waves are formed.
Deadly Tsunami Swarm Hit Haiti After Quake, Experts Say loading...
Deadly Tsunami Swarm Hit Haiti After Quake, Experts Say
The devastating January 12 earthquake in Haiti also set off a swarm of unusual tsunamis, which killed three and destroyed several homes, experts said today.
Tsunamis on Mars? Splashy Claim Raises Eyebrows. loading...
Tsunamis on Mars? Splashy Claim Raises Eyebrows.
Observations hint at catastrophic waves in the planet’s past, but not all experts are convinced that the necessary oceans existed.

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