In seconds, fiber optic cables detect earthquake size

PHYSorg
Jul 29, 2026, 12:20 pm76 ptsTrending
Scientists have discovered a new way to determine how big an earthquake may become just seconds after it begins. In a new study published in Nature Communications, researchers from the U.S. Geological Survey (USGS) and Cal Poly Humboldt used signals picked up by fiber-optic cables—the same ones that deliver…

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