A new study shows the Google's Global Earthquake System detects quakes using motion sensors in billions of smartphones.

Google's earthquake early-warning system has used phone accelerometers on Android devices to increase quake alerts by tenfold ...

A Google-developed system turns Android phones into earthquake detectors, sending real-time alerts seconds before shaking ...

The false claims spread after the powerful earthquake sparked evacuation orders as far away as Hawaii and across the Pacific on July 30, 2025. Russia, Japan and the US have since downgraded warnings, ...