Their whole life, producer Hannah Chinn has known about the Big One: a massive earthquake forecasted to hit the West Coast. Scientists say it'll destroy buildings, collapse bridges, flood coastal towns and permanently shift the landscape. But how exactly do scientists know this much about the scope of earthquakes if they can't even predict when those earthquakes are going to happen? Together with host Emily Kwong , Hannah goes on a quest for answers. Plus, they get into what a Cascadia earthquake has in common with a Thanksgiving turkey.

This story is part of Nature Quest, our monthly segment that brings you a question from a Short Waver who is noticing a change in the world around them. Have an environment-based question you want us to investigate on the next Nature Quest? Email us y

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