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腾讯微信、QQ双平台实现全国地震预警 可提前数秒至数十秒预警

Core Viewpoint - The launch of nationwide earthquake early warning services on QQ and WeChat aims to enhance public safety by providing timely alerts to users, leveraging Tencent's technology capabilities for effective disaster reduction [1][3]. Group 1: Service Launch and Features - On May 12, QQ officially launched its nationwide earthquake early warning function, complementing WeChat's existing service, allowing users to receive alerts across different platforms and operators [1]. - Users can subscribe to earthquake warning information by searching for specific terms in QQ and WeChat, enabling them to set their preferred alert regions and intensity levels [2]. Group 2: Technical Aspects and Impact - The earthquake early warning system relies on a dense network of observation stations to capture early seismic signals, allowing for rapid estimation of earthquake parameters and potential impacts [3]. - Research indicates that a 20-second early warning can reduce casualties by 63%, highlighting the importance of timely alerts for public safety and infrastructure protection [3].