Two Sets of High-Conductivity Systems with Different Scales Reveal the Seismogenic Mechanism of Earthquakes in the Songyuan Area, Northeastern China

Autor:	Xiaodong Jia, Zhuoyang Li, Jiangtao Han, Hesheng Hou, Zhonghua Xin, Lijia Liu, Wenyu Liu
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	magnetotelluric sounding Ningjiang earthquake swarm North Fuyu fault deep seismogenic environment seismogenic mechanism Science
Zdroj:	Remote Sensing, Vol 16, Iss 3, p 547 (2024)
Druh dokumentu:	article
ISSN:	2072-4292
DOI:	10.3390/rs16030547
Popis:	To reveal the deep seismogenic environment and mechanism of earthquakes in Songyuan City, Northeastern China, 59 broadband magnetotelluric sites in the Songyuan area were arranged in this study at a spacing of 5 km. In addition, two intersecting magnetotelluric profiles, with a total of 23 measuring sites and a spacing of 2 km, were established near the Ningjiang earthquake swarm. Using a nonlinear conjugate gradient (NLCG) algorithm, resistivity structures in the lithosphere were obtained at different scales using three-dimensional (3D) inversion. The research results show that: a deep high-conductivity system (
Databáze:	Directory of Open Access Journals
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