Performance of the NCREE's on-site warning system during the 5 February 2016 Mw 6.53 Meinong earthquake

Ting Yu Hsu, Hsui Hsien Wang, Pei Yang Lin, Che Min Lin, Chun Hsiang Kuo, Kuo Liang Wen

研究成果: 雜誌貢獻期刊論文同行評審

18 引文 斯高帕斯(Scopus)

摘要

The National Center for Research on Earthquake Engineering in Taiwan has developed an on-site earthquake early warning system (NEEWS). The Meinong earthquake with a moment magnitude of 6.53 and a focal depth of 14.6 km occurred on 5 February 2016 in southern Taiwan. It caused 117 deaths, injured 551, caused the collapse of six buildings, and serious damage to 247 buildings. During the Meinong earthquake, the system performance of 16 NEEWS stations was recorded. Based on a preassigned peak ground acceleration (PGA) threshold to issue alarms at different stations, no false alarms or missed alarms were issued during the earthquake. About 4 s to 33 s of lead time were provided by the NEEWS depending on the epicenter distance. In addition, the directivity of the earthquake source characteristic and also possibly the site effects were observed in the diagram of the distribution of PGA difference between the predicted PGA and the measured PGA.

原文???core.languages.en_GB???
頁(從 - 到)8954-8959
頁數6
期刊Geophysical Research Letters
43
發行號17
DOIs
出版狀態已出版 - 16 9月 2016

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