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http://dx.doi.org/10.15683/kosdi.2020.12.31.670

Advanced and Application of Onsite EEW Technology in Korea  

Lee, Ho Jun (KIT Valley Co.)
Jeon, Inchan (KIT Valley Co.)
Seo, Jeong Beom (KIT Valley Co.)
Lee, Jin Koo (KIT Valley Co.)
Publication Information
Journal of the Society of Disaster Information / v.16, no.4, 2020 , pp. 670-681 More about this Journal
Abstract
Purpose: This study aims to derive a PGV prediction equation and to enhance the application of the Onsite EEW technology which has developed through previous studies. Method: The prediction equation for the Onsite EEW derived from earthquake data M≥3.0 and MMI≥II over the past four years. Local seismic risk is estimated using M and PGV deduced from P wave properties. Result: The improved PGV prediction equation estimated the MMI with an average accuracy of 94.8% and the 𝜏c : Pd method also showed valid performance for alerting local seismic risks. Conclusion: Onsite EEW technology is successfully applied to Korea, and becomes to reduce the blind zone to about 14km.
Keywords
Onsite EEW; Prediction Equation; ${\tau}_c$ : Pd Onsite EEW; Seismic Blind Zone;
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Times Cited By KSCI : 6  (Citation Analysis)
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