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California's Sierra Nevada: Earth's Crust Detaching Revealed

4/23/2025

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Summary

Story summary

Seismologists in California have uncovered a fascinating geological phenomenon beneath the Sierra Nevada, where the Earth's outer layer is detaching and sinking into the mantle. This active process, revealed through seismic imaging, not only shapes the continental crust but may also be happening in other regions, such as the Andes and even on Venus.

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Story summary

Seismologists in California have uncovered a fascinating geological phenomenon beneath the Sierra Nevada, where the Earth's outer layer is detaching and sinking into the mantle. This active process, revealed through seismic imaging, not only shapes the continental crust but may also be happening in other regions, such as the Andes and even on Venus.