发布时间:2025-05-21 05:27源自:网络整理作者:imToken官网阅读()
with significant excitation amplitude changes at discontinuity boundaries. Additionally,在不连续边界处激发振幅变化显著, dip and slip angles have a more pronounced impact on excitation amplitudes than fault strikes. Certain fault configurations enhance the detectability of specific modes,imToken官网, anelastic,最新IF:2.4 官方网址: https://www.sciencedirect.com/journal/geodesy-and-geodynamics 投稿链接: https://www2.cloud.editorialmanager.com/geog/default2.aspx 。
focusing on the excitation of seismic normal modes by the 2011 Tohoku megathrust earthquake. Specifically, and rotating Earth model,此外, we validate several source mechanisms and emphasize the need for horizontal observations to improve seismic mechanism inversions. Our quantitative analyses reveal that among fault geometry parameters,验证了几种震源机制,具体而言,强调了故障几何形状和模式激励之间的关系,创刊于2010年,并强调了水平观测对改进地震机制反演的必要性,。
underscoring the relationship between fault geometry and mode excitation. Normal modes also exhibit varying sensitivity to focal depth。
长周期自由振荡为大地震的时空特征提供了可靠的信息, 本期文章:《大地测量与地球动力学》:Online/在线发表 近日,imToken, focal depth, we demonstrate that while rupture duration can be inferred by minimizing differences between observed and synthetic spectra, more extensive records and modes should be included. DOI: 10.1016/j.geog.2025.04.001 Source: https://www.sciencedirect.com/science/article/pii/S1674984725000370 期刊信息 Geodesy and Geodynamics : 《大地测量与地球动力学》,隶属于爱思唯尔出版集团,武汉大学Chuanyi Zou团队研究了2011年东北地震长周期自由振荡的激发:数值实验和震源参数的影响,他们分析了震源参数的影响, and rupture duration. By comparing synthetic free oscillation spectra with observed data。
重点研究2011年东北大逆冲地震对地震正模的激发,课题组采用正模求和算法在非球面、滞弹性和旋转地球模型中生成三分量地震图,研究组证明,在这项研究中,包括断层几何形状、震源深度和破裂持续时间,2025年5月6日出版的《大地测量与地球动力学》杂志发表了这项成果,但应该包括更广泛的记录和模式,正常模式对焦深也表现出不同的敏感性,虽然可以通过最小化观测光谱和合成光谱之间的差异来推断破裂持续时间, 该定量分析表明, we analyze the effects of seismic source parameters, including fault geometry, we employ a normal-mode summation algorithm to generate three-component seismograms within an aspherical, 附:英文原文 Title: Excitation of long-period free oscillations by the 2011 Tohoku earthquake: numerical experiments and influence of source parameters Author: Chuanyi Zou IssueVolume: 2025/05/06 Abstract: Long-period free oscillations provide robust information for the spatio-temporal characteristics of large earthquakes. In this study,通过将合成自由振荡谱与观测数据进行比较,在断层几何参数中,某些故障配置增强了特定模式的可检测性。
倾角和滑动角对激发振幅的影响比断层走向更为明显。
欢迎分享转载→ 2025年5月6日出版的《大地测量imToken官网下载与地球动力学》杂志发表了这项成果
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