Scary Tsunamis

In 2004 a massive tsunami struck the Indian Ocean with a wave that reached up to 100 feet high. More than 225,000 people were killed. Bay Area researchers raced to the scene to learn everything they could about these deadly forces of nature. The information they gained provides a 'Rosetta stone' for helping to understand the geologic history of tsunamis and when and where they may strike again. Is California at risk?