Morning Overview on MSN
Lost tectonic plate fragment found at San Andreas–Cascadia junction
A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction zone, reshaping how I understand the tectonic engine of the West Coast.
Live Science on MSN
Fragment of lost tectonic plate discovered where San Andreas and Cascadia faults meet
A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating earthquake risk at the Cascadia subduction zone.
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