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Ash uncovered at Lake Mead could help the Southwest prep for future volcanic events

By Mark Brodie
Published: Wednesday, November 16, 2022 - 12:40pm

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gene smith
Racheal Johnsen
Gene Smith

Dropping water levels in Lake Mead have revealed a number of interesting things, from sunken boats to bodies in barrels.

But scientists have also noticed rocks covered in a layer of volcanic ash up to 12 million years old.

And as Gene Smith explains, that’s not just a history lesson — it also has meaning for the future.

Smith is a professor emeritus at the University of Nevada, Las Vegas, where he’s a geochemist and volcanologist.

The Show spoke with him to learn scientifically, how big of a find this is.

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