An integrated earthquake early warning system and its performance at schools in Taiwan |
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| Authors: | Bing-Ru Wu Nai-Chi Hsiao Pei-Yang Lin Ting-Yu Hsu Chiou-Yun Chen Shieh-Kung Huang Hung-Wei Chiang |
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| Institution: | 1.Earthquake and Man-made Disaster Division,National Science and Technology Center for Disaster Reduction,New Taipei City,Taiwan;2.Seismological Center,Central Weather Bureau,Taipei City,Taiwan;3.Structural Control Division,National Center for Research on Earthquake Engineering,Taipei City,Taiwan;4.Department of Civil and Construction Engineering,National Taiwan University of Science and Technology,Taipei City,Taiwan |
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| Abstract: | An earthquake early warning (EEW) system with integration of regional and onsite approaches was installed at nine demonstration stations in several districts of Taiwan for taking advantages of both approaches. The system performance was evaluated by a 3-year experiment at schools, which experienced five major earthquakes during this period. The blind zone of warning was effectively reduced by the integrated EEW system. The predicted intensities from EEW demonstration stations showed acceptable accuracy compared to field observations. The operation experience from an earthquake event proved that students could calmly carry out correct action before the seismic wave arrived using some warning time provided by the EEW system. Through successful operation in practice, the integrated EEW system was verified as an effective tool for disaster prevention at schools. |
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