速報及預警系統中隨時變之地震規模制定

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Project title/計畫英文名

速報及預警系統中隨時變之地震規模制定

Project Number/計畫編號

MOTC-CWB-102-E-03

Translated Name/計畫中文名

速報及預警系統中隨時變之地震規模制定

Project Principal Investigator/計畫主持人

YIH-MIN WU

Funding Organization

Central Weather Bureau, MOTC

Start date/計畫起

01-01-2013

Expected Completion/計畫迄

31-12-2013

摘要：大地震發生後，精確的規模測定影響防救災的成效，尤其在地震速報及預警系統中，地震預警需要及早決定規模越好；然而地震初期所決定的規模，不確定度大並且大地震會有低估的情形。因此，本計畫擬加入時間因子在地震規模的制訂，探討出不同時間階段最佳的規模制訂方法。
Abstract: Earthquake magnitude is a key parameter for seismic monitoring and hazard mitigation especially for early warning system. However, magnitude determination from earthquake initial signals is generally with large uncertainty. For large earthquake may have magnitude saturation problem. It seriously affects earthquake damage estimation and rescue actions. Thus, time factor should be included in magnitude determination. In this project, we propose an updating earthquake magnitude determination. In considering proper magnitude determination methods for different time windows.

Keyword(s)

地震
地震規模
地震預警
Earthquake
earthquake magnitude
earthquake warning system

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速報及預警系統中隨時變之地震規模制定

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