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0:38
Google Earthquake Alert System
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[ENG SUB] How Earthquake Early Warning works : smartphone and radio broadcast
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Earthquake detection and alerts now on Android
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Earthquake alerts, now part of Android
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Cell Broadcast iOS 15 Apple - Emergency Alerts - ETWS - Earthquake and Tsunami Alert tone
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Twitch streamer catches moment powerful earthquake strikes Japan
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ShakeAlert: An earthquake warning from your cellphone
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SW China: An earthquake early warning system provided a 14 second warning
