USGS: A Fixed Smartphone Network Offers Inexpensive Earthquake Early Warning Potential

USGS: A Fixed Smartphone Network Offers Inexpensive Earthquake Early Warning Potential. “In late 2019, a research team assembled 82 smartphones, strapped them to walls and floors in buildings across Costa Rica and waited six months. After a careful analysis, they discovered that they had created an effective and inexpensive Earthquake Early Warning system that could provide communities with up to tens of seconds of warning that an earthquake occurred and shaking is imminent.”

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