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Crosscurrents

How was the San Francisco Bay formed?

Published November 5, 2017 at 10:38 PM PST
State of California Department of Conservation / cropped and resized
Geological map of California

KALW listener Claudia Zeiler wanted to know how and when the San Francisco Bay was formed. 

We sent reporter Ariel Plotnick to see if she could dig up the answer. 

Click the audio player above to hear more. 

Got a question for Hey Area? Ask it below.

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Crosscurrents History