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DOI | 10.1002/2017GL073228 |
Rapid determination of P wave-based energy magnitude: Insights on source parameter scaling of the 2016 Central Italy earthquake sequence | |
Picozzi, Matteo1; Bindi, Dino2; Brondi, Piero1; Di Giacomo, Domenico3; Parolai, Stefano2; Zollo, Aldo1 | |
2017-05-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:9 |
文章类型 | Article |
语种 | 英语 |
国家 | Italy; Germany; England |
英文摘要 | We propose a P wave based procedure for the rapid estimation of the radiated seismic energy, and a novel relationship for obtaining an energy-based local magnitude (M-Le) measure of the earthquake size. We apply the new procedure to the seismic sequence that struck Central Italy in 2016. Scaling relationships involving seismic moment and radiated energy are discussed for the M-w 6.0 Amatrice, M-w 5.9 Ussita, and M-w 6.5 Norcia earthquakes, including 35M(L)>4 aftershocks. The M-w 6.0 Amatrice earthquake shows the highest apparent stress, and the observed differences among the three main events highlight the dynamic heterogeneity with which large earthquakes can occur in Central Italy. Differences between estimates of M-Le and M-w allows identification of events which are characterized by a higher proportion of energy being transferred to seismic waves, providing important real-time indications of earthquakes shaking potential. |
英文关键词 | energy magnitude real-time seismology seismic source parameters 2016 Central Italy earthquakes earthquake early warning local magnitude |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000402143700010 |
WOS关键词 | GROUND-MOTION PREDICTION ; M-W 6.3 ; STRESS-DROP ; APPARENT STRESS ; SEISMIC-HAZARD ; SOURCE SPECTRA ; RELEASE ; MODELS ; MOMENT ; FAULT |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/26806 |
专题 | 气候变化 |
作者单位 | 1.Univ Napoli Federico II, Dept Phys, Naples, Italy; 2.Helmholtz Ctr Potsdam, GFZ German Res Ctr Geosci, Potsdam, Germany; 3.Int Seismol Ctr, Thatcham, England |
推荐引用方式 GB/T 7714 | Picozzi, Matteo,Bindi, Dino,Brondi, Piero,et al. Rapid determination of P wave-based energy magnitude: Insights on source parameter scaling of the 2016 Central Italy earthquake sequence[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(9). |
APA | Picozzi, Matteo,Bindi, Dino,Brondi, Piero,Di Giacomo, Domenico,Parolai, Stefano,&Zollo, Aldo.(2017).Rapid determination of P wave-based energy magnitude: Insights on source parameter scaling of the 2016 Central Italy earthquake sequence.GEOPHYSICAL RESEARCH LETTERS,44(9). |
MLA | Picozzi, Matteo,et al."Rapid determination of P wave-based energy magnitude: Insights on source parameter scaling of the 2016 Central Italy earthquake sequence".GEOPHYSICAL RESEARCH LETTERS 44.9(2017). |
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