Collaboration: Toward Unified Seismic Source Models: Joint Body Wave and Surface Wave Inversion Methods

这项研究是一项合作努力，旨在开发用于震源的同时体波和面波反演方法。其目标是利用地震和大地测量的整个频谱来统一描述地震破裂过程。目前，即使对不同类型的波(例如，体波和面波)进行最复杂的分析，也往往会产生不一致的故障参数。这种不一致应该通过联合反转来解决。这项工作将把三种不同的体波反演方法与高分辨率、基本模式的面波频谱反演技术结合起来，每种方法都适用于特定类型的地震破裂。这项研究是国家减少地震灾害计划的一部分。

This research is a collaborative effort to develop simultaneous body-wave and surface-wave inversion methods for the earthquake source. The goal is to attain unified descriptions of earthquake rupture processes using the entire spectrum of seismic and geodetic measurements. Currently, even the most sophisticated analyses of different wave types (e.g., body waves and surface waves) often yield inconsistent fault parameters. This inconsistency should be resolved by joint inversion. The work will merge three different body-wave inversion methods, each appropriate for a certain class of earthquake rupture, with high-resolution, fundamental-mode surface-wave spectral- inversion techniques. This research is a component of the National Earthquake Hazard Reduction Program.