The Sichuan-based Institute of Care-life's earthquake early warning center successfully utilized a national system, which ensured that more than 129,000 people in Feidong county were informed ahead of a magnitude 4.7 earthquake on a Wednesday evening at 8:08 pm. The timely alerts allowed residents in Hefei, the capital of Anhui Province, to receive a three-second warning, while those in Chuzhou had an 11-second lead time, and people in Nanjing were notified 26 seconds before the tremors began.
Warnings were disseminated through specialized terminals, mobile devices, and television broadcasts, ensuring that millions were promptly informed. According to Xinhua News Agency, there were no reported casualties, and the earthquake's epicenter was detected at a depth of 12 kilometers, with subsequent 49 aftershocks, the largest measuring 2.6 in magnitude occurring the following morning.
The successful completion of the National Earthquake Early Warning Project, which involved deploying 15,899 monitoring stations throughout China, has established the world's most extensive earthquake early warning network. Ma Qiang, the project’s chief engineer, emphasized that the system's effectiveness relies on the proximity of these seismic monitoring stations to issue alerts before the seismic waves that cause damage reach populated areas, capitalizing on the much slower speed of seismic waves compared to electromagnetic signals.
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