Ancient zircons offer insights into earthquakes of the past
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![Rocks at the Devil’s Punchbowl geologic formation near Los Angeles, with mountains in the background](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/06/060322_NO_crystal-quakes_feat.jpg?fit=1030%2C580&ssl=1)
These rocks at the Devil’s Punchbowl geologic formation near Los Angeles were uplifted by movement along the Punchbowl Fault, a now-inactive portion of the larger San Andreas Fault.
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