Nova (1974– )

Killer Landslides 

Scientists examine the causes of the 2014 Oso, Washington, landslide, the worst in decades.


Liesl Clark


Liesl Clark

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Episode credited cast:
Brook Alongi Brook Alongi ... Himself
Mike Blankenship Mike Blankenship ... Himself
Dayn Brunner Dayn Brunner ... Himself
Randy Fay Randy Fay ... Himself
Richard Iverson Richard Iverson ... Himself
Haji Mohammad Jamshid Haji Mohammad Jamshid ... Himself
Marla Skaglund Jupp Marla Skaglund Jupp ... Herself
Steve Klett Steve Klett ... Himself
David Montgomery David Montgomery ... Himself
Bill Quistorf Bill Quistorf ... Himself
Craig Sechler ... Himself - Narrator
Amanda Skorjanc Amanda Skorjanc ... Herself
Mattia Soldati Mattia Soldati ... Himself
Bob Vander Yacht Bob Vander Yacht ... Himself (as Lt. Bob Vander Yacht)
Robin Youngblood Robin Youngblood ... Herself (as Reverend Robin Youngblood)


Just before 11 a.m. on March 22, 2014, an ominous rumble startled the residents of the community of Oso, Washington. It was the terrifying sound of what would become the United States' deadliest landslide in decades. The equivalent of one million dump truck loads of earth came plummeting down the valley. In a little over two minutes, a pile of debris up to 75 feet deep slammed into the neighborhood of close to 50 homes. While a massive search and rescue effort continues at the site, geologists are tracing the geological history of Oso to explain why the site was so unstable. But all around the world, scientists have reason to fear that the worst is yet to come. Globally, landslides and other ground failures take a tremendous human and economic toll, and with climate change bringing a sharp rise in precipitation, the threat of bigger, more frequent landslides is growing. As NOVA surveys landslide danger zones, discover how and why landslides happen, and how radar monitoring ...

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TV-PG | See all certifications »






Release Date:

2014 (USA) See more »

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Aspect Ratio:

16:9 HD
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