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GEOREF RECORD

Fault attitude of the north section of Huangzhuang-Gaoliying Fault at Beijing, China and its effects on the ground rupture

Abstract

Worldwide, slip on earthquake faults causes numerous disasters, resulting in large losses in human life and built structures. To minimize future losses associated with earthquakes along such faults, it is important to precisely locate the faults relative to the built environment and to determine the subsurface geometry of the faults. In Beijing, China, we used shallow-depth geophysical methods to evaluate the location and subsurface geometry of the Huangzhuang-Gaoliying fault (HGF), one of the principal tectonic faults of Beijing area. We used seismic reflection and refraction tomography, multi-channel analysis of surface waves (MASW), and paleoseismic trenching to characterize the north section of HGF near the Gaoliying section of Beijing. Our seismic images indicated that there are at least two strands of the HGF that are distributed over an approximately 200-m-wide zone. We identified a principal fault strand (F1) that is observed in all the seismic images, as well as in a paleoseismic trench. The F1 strikes approximately N49 degrees E and dips southeastward at 70 degrees to 75 degrees . Over the past few years, surface ruptures have occurred along the HGF in several locations, but it is unclear if the surface ruptures were the result of tectonic slip on the HGF or were related to land subsidence along the fault.


ISSN: 1083-1363
EISSN: 1943-2658
Serial Title: Journal of Environmental & Engineering Geophysics
Serial Volume: 24
Serial Issue: 4
Title: Fault attitude of the north section of Huangzhuang-Gaoliying Fault at Beijing, China and its effects on the ground rupture
Title: Geophysics for urban underground space studies
Author(s): Zhao ShuaiMeng YongqiMa ZhenningSun Jiajun
Author(s): Liu, Lanboprefacer
Author(s): Qian Rongyiprefacer
Affiliation: Beijing Earthquake Administration, Beijing, China
Affiliation: University of Connecticut, Department of Geosciences, Storrs, CT, United States
Pages: 549-555
Published: 201912
Text Language: English
Publisher: Environmental and Engineering Geophysical Society, Englewood, CO, United States
References: 15
Accession Number: 2020-006966
Categories: Engineering geologyApplied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sects., 2 tables, geol. sketch maps
N36°00'00" - N42°40'00", E113°10'00" - E119°49'60"
Secondary Affiliation: China University of Geosciences, CHN, China
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2020, American Geosciences Institute. Abstract, copyright, Environmental & Engineering Geophysical Society. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 202006
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