![NOVA](https://image.pbs.org/contentchannels/iAn87U1-white-logo-41-7WCUoLi.png?format=webp&resize=200x)
Hidden Volcano Abyss Preview
Preview: Season 50 Episode 8 | 30sVideo has Closed Captions
Investigate one of the most powerful volcanic eruptions in recorded history.
In January 2022, one of the most powerful volcanic eruptions in recorded history rocked the islands of Tonga. Join scientists as they investigate what caused the blast, how it spurred a devastating tsunami, and if another eruption could be imminent.
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
![NOVA](https://image.pbs.org/contentchannels/iAn87U1-white-logo-41-7WCUoLi.png?format=webp&resize=200x)
Hidden Volcano Abyss Preview
Preview: Season 50 Episode 8 | 30sVideo has Closed Captions
In January 2022, one of the most powerful volcanic eruptions in recorded history rocked the islands of Tonga. Join scientists as they investigate what caused the blast, how it spurred a devastating tsunami, and if another eruption could be imminent.
How to Watch NOVA
NOVA is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Buy Now
![NOVA Labs](https://image.pbs.org/curate-console/3d6fe803-30cf-41f9-b528-9cac42120bf4.jpg?format=webp&resize=860x)
NOVA Labs
NOVA Labs is a free digital platform that engages teens and lifelong learners in games and interactives that foster authentic scientific exploration. Participants take part in real-world investigations by visualizing, analyzing, and playing with the same data that scientists use.Providing Support for PBS.org
Learn Moreabout PBS online sponsorship- [Narrator] The Pacific Nation of Tonga.
- Suddenly was so massive.
- [Narrator] The most explosive eruption ever recorded.
- I accepted we had three minutes left to live.
- [Narrator] And the clock is still ticking.
- Running away.
- What generated that tsunami?
- This is interaction with magma and water.
- [Narrator] Could it happen again?
- This is a turning point to how we understand the world.
- [Narrator] Hidden Volcano Abyss on NOVA.
(dramatic music)
How an Underwater Volcano Produced a 60-Foot Tsunami
Video has Closed Captions
The most explosive event ever recorded on Earth—and the massive tsunami that followed. (2m 35s)
Scientists Make Rare Discovery in Active Volcano
Video has Closed Captions
Volcanologists visit Tofua to study the volcano’s activity. (2m 58s)
Witnesses Recount Surviving a Volcanic Explosion
Video has Closed Captions
Hear witnesses share how they survived the most explosive event ever recorded on Earth. (2m 57s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipNational Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.