Android's earthquake alert system warned 11.4 million Venezuelans seconds before two major quakes using phone accelerometers to detect seismic waves. Now active in 98 countries, it fills gaps where dedicated early-warning infrastructure is lacking.

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Google's Android earthquake alert system warned 11.4 million people in Venezuela seconds before two major earthquakes (magnitudes 7.2 and 7.5) struck, using built-in phone accelerometers to detect seismic waves. The system, now active in 98 countries, fills a critical gap in regions without dedicated early-warning infrastructure.

Android Phones Warned 11.4M People Before Venezuelan Earthquakes

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