Back to Show
NOVA
How an Underwater Volcano Produced a 60-Foot Tsunami
On January 15, 2022, an underwater volcano erupted off the shores of the Pacific islands of Tonga—the most explosive event ever recorded on Earth. The blast triggered a massive tsunami with waves over 60 feet high. Here's how it happened.
Support Provided By
Season
53:40
Mysterious bodies are found under one of the world’s most famous cathedrals.
Unlock with PBS Passport
53:40
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
Unlock with PBS Passport
53:40
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
Unlock with PBS Passport
53:40
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
Unlock with PBS Passport
53:40
Dive into the universe at the tiniest – and weirdest – of scales.
Unlock with PBS Passport
53:34
Meet the surprising, oddball worlds moving around our solar system.
Unlock with PBS Passport
53:34
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Unlock with PBS Passport
53:34
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
Unlock with PBS Passport
53:34
What are the weirdest worlds in our solar system, and how did they come to be?
Unlock with PBS Passport
53:34
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
53:38
Explore big discoveries that have revolutionized our understanding of the universe.
53:40
Find out who’s using your data and what you can do about it.