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Has a New Seismic Fault Been Discovered in California?

Summary by Génération-NT
Scientists have analyzed micro-earthquake swarms to redraw the map of the Mendocino junction in California. Their study reveals a fragment of forgotten tectonic plaque, the "Pioneer Fragment", and a new horizontal flaw. This complex and unexpected geometry increases the seismic risk and the probability of a chain of devastating earthquakes between two of the most dangerous areas of the continent.
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Scientists have analyzed micro-earthquake swarms to redraw the map of the Mendocino junction in California. Their study reveals a fragment of forgotten tectonic plaque, the "Pioneer Fragment", and a new horizontal flaw. This complex and unexpected geometry increases the seismic risk and the probability of a chain of devastating earthquakes between two of the most dangerous areas of the continent.

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Génération-NT broke the news in on Sunday, January 18, 2026.
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