Android earthquake alerts expand to all US states. Here's how they work
Briefly

Google's earthquake alert system now covers all 50 US states and six territories, enhancing public safety by providing real-time alerts for seismic events.
The Android Earthquake Alerts System uses built-in phone accelerometers and crowdsourced data to detect earthquakes, transforming smartphones into seismic detectors for better warning systems.
Two types of alerts are issued: 'Be Aware' for light shaking, and 'Take Action' for moderate to extreme shaking, providing essential preparedness information to users.
Read at ZDNET
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