Stuff You Should Know

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Alaska Earthquake of 1964

Explore episode Jul 2, 2026
Science
The Second Largest Earthquake Ever Recorded

Alaska Earthquake of 1964 · Jul 2, 2026 Science

The 1964 Alaska Good Friday Earthquake registered 9.2 on the Richter scale — the second most powerful ever recorded, behind only Chile's 9.5 in 1960. Despite its colossal force, only 131 people died, largely because Alaska was so sparsely populated.

Where this was said

Intro & Cold Open: Josh Feels His First Earthquake

At 2:09 · chapter starts 0:00

The episode opens with the standard iHeart intro before Josh and Chuck launch into a characteristically warm and witty cold open. Josh reveals a remarkable coincidence: the very first earthquake he ever felt occurred while he was reading about the 1964 Alaska earthquake, caused by a 6.8 tremor originating in Cuba and felt all the way in Central Florida. Chuck, who lived in Los Angeles for five years without ever feeling a quake, marvels at the irony. The exchange immediately illustrates one of the episode's central themes: that earthquakes reach far further than most people imagine. Josh jokes that 60 percent of listeners probably stopped listening when he put on an exaggerated voice, before reassuring the rest that they'd be sorry if they did — this is a story worth hearing.

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