Article(id=1322506270184165500, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322506166672937516, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2024.08.402, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1724342400000, receivedDateStr=2024-08-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793239665790, onlineDateStr=2026-10-29, pubDate=1755187200000, pubDateStr=2025-08-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793239665790, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793239665790, creator=13701087609, updateTime=1793239665790, updator=13701087609, issue=Issue{id=1322506166672937516, tenantId=1146029695717560320, journalId=1281212831689347082, year='2025', volume='45', issue='8', pageStart='771', pageEnd='880', issueExtLink='null', onlineDate='null', pubDate='1755187200000', pubDateStr='2025-08-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793239641110, creator='13701087609', updateTime=1793239641110, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=840, endPage=844, 874, ext={EN=ArticleExt(id=1322506270570041469, articleId=1322506270184165500, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=InSAR Coseismic Deformation and Slip Distribution Characteristics of the Jishishan MS6.2 Earthquake in 2023, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Based on the Sentinel-1A radar image data of the 2023 Jishishan MS6.2 earthquake, we use D-InSAR technology to obtain the coseismic deformation field of ascending and descending orbits, use SDM inversion program to obtain the slip distribution of seismogenic fault, and use Coulomb3.3 program to obtain Coulomb stress changes of regional fault. The results show that the coseismic deformation fields generated by this earthquake are mainly uplifted, and the maximum LOS deformation is 6.8 cm for ascending orbit and 7.6 cm for descending orbit, and the optimal solution of seismogenic fault is 303° of strike, 52° of dip, and 89° of slip. The maximum slip is 0.5 m, which occurs at a depth of 11.89 km from the surface, and the rupture does not reach the surface. The cumulative seismic moment released was 1.48×1018 Nm, with a moment magnitude of MW6.1. The Coulomb stress results indicate that the stress in the southern margin of Lajishan fault, the northwest section of north edge of western Lajishan fault, the northwest section of Daotang-Linxia fault, and the northwest section of north edge of western Qinling fault are in the state of obvious stress loading, and the above regions are more probable to have earthquakes in the next period of time, which need to be paid attention.

, authors=Kai HAN1, Daiqin LIU2, *, Yushan AILIXIATI2, Jie LI2, 3, Xiangkui KONG1, Rongliu CHEN1, authorsList=Kai HAN, Daiqin LIU, Yushan AILIXIATI, Jie LI, Xiangkui KONG, Rongliu CHEN, authorCompany=null, correspAuthors=Daiqin LIU, authorNote=

HAN Kai, postgraduate, majors in InSAR geodesy and gravimetry, E-mail:

, correspAuthorsNote=null, copyrightStatement=All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322506274009370763, articleId=1322506270184165500, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=2023年积石山MS6.2地震InSAR同震形变与滑动分布特征, columnId=1322506193558422163, journalTitle=大地测量与地球动力学, columnName=地震地质, runingTitle=null, highlight=null, articleAbstract=

基于2023年积石山MS6.2地震震区Sentinel-1A的雷达影像数据,利用D-InSAR技术获取升降轨同震形变场,使用SDM反演程序获取发震断层滑动分布,使用Coulomb3.3程序获取区域断层库仑应力变化。结果表明,本次地震产生的升降轨同震形变场均以抬升为主,升轨最大LOS向形变量为6.8 cm,降轨最大LOS向形变量为7.6 cm。发震断层参数最优解为走向303°、倾角52°、滑动角89°,最大滑移量为0.5 m,发生在距地表 11.89 km深度处,破裂未到达地表,累计释放地震矩1.48×1018 Nm,合矩震级MW6.1。库仑应力计算结果显示,拉脊山南缘断裂、拉脊山北缘断裂的西北段、倒淌河-临夏断裂西北段、西秦岭北缘断裂西北段处于明显的应力加载状态,以上区域在未来一段时间内发生地震的可能性较大,需要重点关注。

, authors=韩锴1, 刘代芹2, *, 艾力夏提玉山2, 李杰2, 3, 孔祥魁1, 陈荣柳1, authorsList=韩锴, 刘代芹, 艾力夏提玉山, 李杰, 孔祥魁, 陈荣柳, authorCompany=null, correspAuthors=刘代芹, authorNote=

韩锴,硕士生,主要研究方向为InSAR大地测量与重力测量,E-mail:

, correspAuthorsNote=

刘代芹,正研级高级工程师,博士生导师,主要研究方向为大地测量、重力测量及地壳形变,E-mail:

LIU Daiqin, professor, PhD supervisor, majors in geodesy, gravimetry and crustal deformation, E-mail:

, copyrightStatement=版权所有,未经授权,不得转载。, copyrightOwner=大地测量与地球动力学编辑部, extLink=null, articleAbsUrl=null, sourceXml=my0u3F6DSFsNn+8Bn9rmVQ==, magXml=ll49rKjIq5bazEaoTCNXiA==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=Kx2WhitCsLIglxo676bRWA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=cu2OlmKcUpRHNbnD9SPDuw==, mapNumber=null, fund=null)}, authors=[Author(id=1322506274768539798, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506270184165500, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1471066533@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322506275045363864, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506270184165500, authorId=1322506274768539798, language=EN, stringName=Kai HAN, firstName=Kai, middleName=null, lastName=HAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=1 College of Civil Engineering and Architecture, Xinjiang University, 777 Huarui Street, Urumqi 830047, China, bio={"content":"

HAN Kai, postgraduate, majors in InSAR geodesy and gravimetry, E-mail:

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HAN Kai, postgraduate, majors in InSAR geodesy and gravimetry, E-mail:

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韩锴,硕士生,主要研究方向为InSAR大地测量与重力测量,E-mail:

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韩锴,硕士生,主要研究方向为InSAR大地测量与重力测量,E-mail:

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Coseismic Deformation and Slip Distribution of the 2023 Jishishan MS6.2 Earthquake Revealed by InSAR Observations[J]. 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earthquake area, figureFileSmall=KjRPCoLExGrDL2Ipkp7BVw==, figureFileBig=Kx2WhitCsLIglxo676bRWA==, tableContent=null), ArticleFig(id=1322506278925095103, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506270184165500, language=CN, label=图1, caption=2023年积石山MS6.2地震震区构造背景

蓝色矢量箭头表示 GNS S速度场,浅蓝色圆圈表示余震,圆圈大小表示震级大小

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Sentinel-1A data parameters

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空间分辨率 轨道 主影像 辅影像 时间基线/d 空间基线/m 极化方式 干涉模式
5 m×20 m升轨128 2023-10-27 2023-12-26 60 65.02 VV IW
降轨135 2023-12-14 2023-12-26 12 -117.66 VV IW
), ArticleFig(id=1322506281613643979, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506270184165500, language=CN, label=表1, caption=

Sentinel-1A数据参数

, figureFileSmall=null, figureFileBig=null, tableContent=
空间分辨率 轨道 主影像 辅影像 时间基线/d 空间基线/m 极化方式 干涉模式
5 m×20 m升轨128 2023-10-27 2023-12-26 60 65.02 VV IW
降轨135 2023-12-14 2023-12-26 12 -117.66 VV IW
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Source parameters of the Jishishan MS6.2 earthquake

, figureFileSmall=null, figureFileBig=null, tableContent=
来源 震中 走向/(°) 倾角/(°) 滑动角/(°) 震源深度/km 震级MW
USGS 35.74°N、102.82°E 333/156 62/28 88/93 12.0 5.94
GFZ 35.74°N、102.81°E 332/138 53/38 99/79 19.0 6.01
GCMT 35.83°N、102.81°E 303/164 52/46 62/122 18.9 5.70
文献[15] 35.71°N、102.73°E 311/- 53.8/- 79.6/- 6.6 6.1
文献[16] 35.76°N、102.79°E 319/- 42/- 104/- 9.3 6.1
文献[18] 35.78°N、102.77°E 310/- 57/- 90/- 2.7 6.0
本文 35.77°N、102.77°E 303/- 52/- 89/- 11.89 6.14
), ArticleFig(id=1322506281798193357, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506270184165500, language=CN, label=表2, caption=

积石山MS6.2地震震源参数

, figureFileSmall=null, figureFileBig=null, tableContent=
来源 震中 走向/(°) 倾角/(°) 滑动角/(°) 震源深度/km 震级MW
USGS 35.74°N、102.82°E 333/156 62/28 88/93 12.0 5.94
GFZ 35.74°N、102.81°E 332/138 53/38 99/79 19.0 6.01
GCMT 35.83°N、102.81°E 303/164 52/46 62/122 18.9 5.70
文献[15] 35.71°N、102.73°E 311/- 53.8/- 79.6/- 6.6 6.1
文献[16] 35.76°N、102.79°E 319/- 42/- 104/- 9.3 6.1
文献[18] 35.78°N、102.77°E 310/- 57/- 90/- 2.7 6.0
本文 35.77°N、102.77°E 303/- 52/- 89/- 11.89 6.14
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2023年积石山MS6.2地震InSAR同震形变与滑动分布特征
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韩锴 1 , 刘代芹 2, * , 艾力夏提玉山 2 , 李杰 2, 3 , 孔祥魁 1 , 陈荣柳 1
大地测量与地球动力学 | 地震地质 2025,45(8): 840-844, 874
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大地测量与地球动力学 |地震地质 2025 , 45 (8) : 840 -844, 874
2023年积石山MS6.2地震InSAR同震形变与滑动分布特征
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韩锴1 , 刘代芹2, * , 艾力夏提玉山2, 李杰2, 3, 孔祥魁1, 陈荣柳1
作者信息
  • 1 新疆大学建筑工程学院,乌鲁木齐市华瑞街777号,830047
  • 2 新疆维吾尔自治区地震局,乌鲁木齐市科学二街338号,830011
  • 3 中国地震局乌鲁木齐中亚地震研究所,乌鲁木齐市科学二街338号,830011
通讯作者:

刘代芹,正研级高级工程师,博士生导师,主要研究方向为大地测量、重力测量及地壳形变,E-mail:

LIU Daiqin, professor, PhD supervisor, majors in geodesy, gravimetry and crustal deformation, E-mail:

作者简介:

韩锴,硕士生,主要研究方向为InSAR大地测量与重力测量,E-mail:

InSAR Coseismic Deformation and Slip Distribution Characteristics of the Jishishan MS6.2 Earthquake in 2023
Kai HAN1 , Daiqin LIU2, * , Yushan AILIXIATI2, Jie LI2, 3, Xiangkui KONG1, Rongliu CHEN1
Affiliations
  • 1 College of Civil Engineering and Architecture, Xinjiang University, 777 Huarui Street, Urumqi 830047, China
  • 2 Earthquake Agency of Xinjiang Uygur Autonomous Region, 338 Second-Kexue Street, Urumqi 830011, China
  • 3 Urumqi Institute of Central Asia Earthquake, CEA, 338 Second-Kexue Street, Urumqi 830011, China
  • HAN Kai, postgraduate, majors in InSAR geodesy and gravimetry, E-mail:

出版时间: 2025-08-15 doi: 10.14075/j.jgg.2024.08.402
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基于2023年积石山MS6.2地震震区Sentinel-1A的雷达影像数据,利用D-InSAR技术获取升降轨同震形变场,使用SDM反演程序获取发震断层滑动分布,使用Coulomb3.3程序获取区域断层库仑应力变化。结果表明,本次地震产生的升降轨同震形变场均以抬升为主,升轨最大LOS向形变量为6.8 cm,降轨最大LOS向形变量为7.6 cm。发震断层参数最优解为走向303°、倾角52°、滑动角89°,最大滑移量为0.5 m,发生在距地表 11.89 km深度处,破裂未到达地表,累计释放地震矩1.48×1018 Nm,合矩震级MW6.1。库仑应力计算结果显示,拉脊山南缘断裂、拉脊山北缘断裂的西北段、倒淌河-临夏断裂西北段、西秦岭北缘断裂西北段处于明显的应力加载状态,以上区域在未来一段时间内发生地震的可能性较大,需要重点关注。

积石山地震  /  D-InSAR  /  InSAR同震形变  /  断层滑动分布  /  库仑应力

Based on the Sentinel-1A radar image data of the 2023 Jishishan MS6.2 earthquake, we use D-InSAR technology to obtain the coseismic deformation field of ascending and descending orbits, use SDM inversion program to obtain the slip distribution of seismogenic fault, and use Coulomb3.3 program to obtain Coulomb stress changes of regional fault. The results show that the coseismic deformation fields generated by this earthquake are mainly uplifted, and the maximum LOS deformation is 6.8 cm for ascending orbit and 7.6 cm for descending orbit, and the optimal solution of seismogenic fault is 303° of strike, 52° of dip, and 89° of slip. The maximum slip is 0.5 m, which occurs at a depth of 11.89 km from the surface, and the rupture does not reach the surface. The cumulative seismic moment released was 1.48×1018 Nm, with a moment magnitude of MW6.1. The Coulomb stress results indicate that the stress in the southern margin of Lajishan fault, the northwest section of north edge of western Lajishan fault, the northwest section of Daotang-Linxia fault, and the northwest section of north edge of western Qinling fault are in the state of obvious stress loading, and the above regions are more probable to have earthquakes in the next period of time, which need to be paid attention.

Jishishan earthquake  /  D-InSAR  /  InSAR coseismic deformation  /  fault-slip distribution  /  Coulomb stress
韩锴, 刘代芹, 艾力夏提玉山, 李杰, 孔祥魁, 陈荣柳. 2023年积石山MS6.2地震InSAR同震形变与滑动分布特征. 大地测量与地球动力学, 2025 , 45 (8) : 840 -844, 874 . DOI: 10.14075/j.jgg.2024.08.402
Kai HAN, Daiqin LIU, Yushan AILIXIATI, Jie LI, Xiangkui KONG, Rongliu CHEN. InSAR Coseismic Deformation and Slip Distribution Characteristics of the Jishishan MS6.2 Earthquake in 2023[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (8) : 840 -844, 874 . DOI: 10.14075/j.jgg.2024.08.402
据中国地震台网测定,2023-12-18 23:59甘肃临夏积石山县发生MS6.2地震,震中位置35.70°N、102.79°E,震源深度10 km。分析地震的发震机制对研究该区地质构造以及预测断裂在未来一段时间的活动性具有重要意义。D-InSAR技术经过数十年的发展,已成为获取地震同震形变场的重要手段之一,在地震灾害研究中得到广泛应用[1]。
大地震发生时除产生大规模的破坏以外,还会使周边区域断层应力发生变化,如增加其他正在孕育中的地震的发震危险性并使发震时间提前,称为增震作用;反之称为减震作用[2]。当区域应力超出一定阈值时(一般为0.1 bar[3]),可能会使地壳岩层发生破裂[4]。许多学者通过库仑应力变化判断区域断层在未来发生破裂的可能性,Chen等[5]分析发现,2015年萨雷兹MW7.2地震加速了西帕米尔向塔吉克盆地的塌陷,使2023年塔吉克斯坦MW6.9地震震中断裂带西侧的应变能量增加,从而引发MW6.9地震。因此,库仑应力常被用于分析未来断层活动发生的区域及危险性[6]。
本文基于D-InSAR技术获取积石山MS6.2地震同震形变场,以此为约束反演发震断层滑动分布特征,并计算周边区域断层库仑应力变化,评估未来一段时间内潜在的地震危险性。
甘肃省积石山县位于拉脊山南缘断裂与北缘断裂之间(图 1)。拉脊山断裂带西南部紧邻青藏高原,是青藏高原与黄土高原的分界线,南邻倒淌河-临夏断裂,西北部紧邻右旋走滑的日月山断裂,为一超大型逆冲断裂带,经历过多次挤压变形、构造抬升过程[7]。历史上拉脊山断裂周边发生过20余次5级左右地震[8]。拉脊山断裂以逆冲活动为主[9],中新世早期的逆冲活动导致其加速隆升,形成西宁盆地的南边界,中新世中晚期的逆冲活动导致其加速隆升,形成循化盆地与临夏盆地的分界线[10]。
通过欧空局(ESA)官网获取覆盖震区的SAR影像数据,影像参数见表 1。结合ESA发布的精密轨道数据去除参考椭球相位,利用InSAR大气校正服务(GACOS)提供的大气延迟校正模型消除大气延迟对干涉图像的影响,结合NASA发布的30 m空间分辨率的SRTM DEM数据消除地形效应对干涉图的影响[11]。使用GMTSAR软件对升降轨SAR影像进行干涉处理,采用Goldstein滤波方法[12]对干涉图进行噪声去除以提高干涉图质量,使用最小费用流算法[13]进行相位解缠以从干涉图中提取地表形变信息。
差分干涉处理后得到研究区升降轨同震干涉条纹图(图 2(a)、2(c)),对条纹图相位进行解缠后得到同震视线向形变场(图 2(b)、2(d))。由图 2(a)、2(c)可以看出,形变场西部和北部边缘存在少量噪声点,但整体形变条纹清晰可见,连续性良好,未出现大面积断裂的情况,说明断层破裂未到达地表。整个形变区包含2条彩色条带,说明在卫星视线向上位移约8 cm,形变场位于拉脊山南缘与北缘之间,与拉脊山断裂带走向一致。由图 2(b)、2(d)可以看出,形变场近似呈椭圆形,基本可以断定此次地震发震断层走向为北西-南东向,这与USGS、GFZ等公布的断层走向一致。形变场覆盖范围约17 km×22 km,升、降轨形变场沿卫星视线向最大抬升量分别约为6.8 cm、7.6 cm,未观测到明显的沉降信息,表明此次地震引起的形变以抬升为主,这与逆冲型地震的特征一致。
沿垂直于发震断层走向方向作剖线P-P′,P-P′剖线长约18 km,将P-P′路径上的地表形变量集中表示到折线图上(图 3),能更加直观地分析此次地震所引起的地表形变的空间特征。由图 3可知,P-P′剖线升轨方向的视线向最大抬升量约为5.5 cm,最大沉降量约为0.3 cm,降轨方向的视线向形变均表现为抬升,最大值约为7 cm。由图 2(b)、2(d)可以看出,升轨数据所表现出的震中区变化最大处大致位于降轨数据西侧,与图 3相吻合。
首先利用相干性系数对形变场进行掩膜处理以保证结果的可靠性[14],然后使用四叉树降采样算法对形变场进行降采样,设置合适的形变梯度阈值降低观测密度的同时保留断层附近的形变信息以减少后续的计算压力。将断层面离散为若干1 km×1 km矩形,同时对已离散化的相邻矩形施加一定的平滑约束。杨九元等[15]分析余震序列与主震震中的空间分布,认为发震断层为东倾更合理。刘振江等[16]利用断层面与余震簇空间分布也判断断层倾向为东更加合理。因此本文以GCMT的节面Ⅰ(走向303°、倾角52°、滑动角62°)为参考,构建发震断层走向搜索区间为260°~360°,设定倾角搜索区间为30°~80°。根据上文两轨同震形变场所表现出的断层构造情况,设定发震断层长度为26 km、宽度为30 km。利用最速下降法大地测量反演程序(steepest descent method, SDM)[17]对断层进行滑动分布反演,滑动角不作约束。
从图 4可以看出,此次地震是一次以逆冲为主的破裂事件,滑动发生在7~20 km深度,0~5 km内滑移量基本为0,说明破裂未到达地表。最大滑移量为0.5 m,发生在距离地表 11.89 km深度处。设定剪切模量为30 GPa,计算得到累计释放地震矩为1.48×1018 Nm,合矩震级MW6.1。SDM迭代程序结果显示,震中位置为35.77°N、102.77°E,震源深度11.89 km。图 5为升降轨观测值、模拟值与残差,观测值与模拟值拟合较好,拟合度达到97.77%。本文反演的断层参数与各机构及学者给出的震源机制解(表 2)基本一致。
以本文反演得到的断层(走向303°、倾角52°、滑动角89°)为接收面,采用Coulomb3.3程序,设置有效摩擦系数为0.4、泊松比为0.25,分别计算5 km、10 km、15 km、20 km深度处的库仑应力变化(图 6)。
从图 6可以看出,本次地震所引起的应力变化集中在震中周围。在5 km深度处,应力加载区与卸载区呈现不规则分布状态,发震位置西侧
近场区表现为应力加载,应力随着震中距的增加而减小;发震位置东侧近场区表现为应力卸载,但超出一定距离后转变为应力加载状态;发震位置北向和西南向远场区均表现出应力卸载。拉脊山南缘断裂、拉脊山北缘断裂、倒淌河-临夏断裂西段应力均值整体大于0,倒淌河-临夏断裂东段、西秦岭北缘断裂应力均值整体小于0。在10 km和15 km深度处,发震位置西侧近场区的应力加载区转变为卸载区,拉脊山南缘断裂南部末端的发震区在一定范围内形成不规则的应力卸载区。在该区域NWW向和SEE向有2个应力加载较为明显的区域,加载强度随着震中距的增加而减小,最大值达到0.5 bar,远超静态应力触发阈值0.1 bar。另外,该区域NNE向和SWW向也出现小范围应力加载区,强度略低于NWW向和SEE向加载区。在20 km深度处,上文提到的NWW向和SEE向应力加载区沿断层走向向震中位置发展。总体来说,库仑应力超过触发阈值的区域有拉脊山南缘断裂、拉脊山北缘断裂的东南段,处于明显加载状态的区域有拉脊山南缘断裂、拉脊山北缘断裂的西北段、倒淌河-临夏断裂西北段、西秦岭北缘断裂西北段,以上区域在未来一段时间内发生地震的可能性较大,需重点关注。
1) 2023年积石山地震同震形变场呈现近似椭圆形,覆盖范围约17 km×22 km,升降轨同震形变均以抬升为主,升轨视线向最大抬升量约为6.8 cm,降轨视线向最大抬升量约为7.6 cm,未观测到明显的沉降形变。
2) 2023年积石山地震发震断层走向NWW(303°),倾角、滑动角分别为52°、89°,最大滑移量为0.5 m,发生在距地表 11.89 km深度处,释放的地震矩为1.48×1018 Nm,合矩震级MW6.1,模型拟合度为97.77%,反演的断层数据与USGS等公布的震源机制解基本一致,可以认为此次地震是一次以逆冲为主且未到达地表的破裂事件。
3) 拉脊山南缘断裂、拉脊山北缘断裂东南段的应力状态超过静态应力触发阈值;拉脊山南缘断裂、拉脊山北缘断裂的西北段、倒淌河-临夏断裂西北段、西秦岭北缘断裂西北段处于明显的应力加载状态,以上区域在未来一段时间内发生地震的可能性较大,需要重点关注。
  • 国家自然科学基金(42274014)
  • 新疆维吾尔自治区重点研发专项(2020B03006-2)
  • 新疆维吾尔自治区自然科学基金(2022D01A106)
  • 国家外国专家局引智项目(G2022045013L)
  • 第三次新疆综合科学考察项目(2022xjkk1305)
  • 新疆地震局科技创新团队计划(XJDZCXTD2020-1)
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文章信息
doi: 10.14075/j.jgg.2024.08.402
  • 接收时间:2024-08-23
  • 首发时间:2026-10-29
  • 出版时间:2025-08-15
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出版历史
  • 收稿日期:2024-08-23
基金
National Natural Science Foundation of China(42274014)
国家自然科学基金(42274014)
Key Research and Development Program of Xinjiang Uygur Autonomous Region(2020B03006-2)
新疆维吾尔自治区重点研发专项(2020B03006-2)
Natural Science Foundation of Xinjiang Uygur Autonomous Region(2022D01A106)
新疆维吾尔自治区自然科学基金(2022D01A106)
Project of the State Bureau of Civil Servants(G2022045013L)
国家外国专家局引智项目(G2022045013L)
The Third Xinjiang Comprehensive Scientific Expedition Project(2022xjkk1305)
第三次新疆综合科学考察项目(2022xjkk1305)
Program of Innovation Team of Earthquake Agency of Xinjiang Uygur Autonomous Region(XJDZCXTD2020-1)
新疆地震局科技创新团队计划(XJDZCXTD2020-1)
作者信息
    1 新疆大学建筑工程学院,乌鲁木齐市华瑞街777号,830047
    2 新疆维吾尔自治区地震局,乌鲁木齐市科学二街338号,830011
    3 中国地震局乌鲁木齐中亚地震研究所,乌鲁木齐市科学二街338号,830011

通讯作者:

刘代芹,正研级高级工程师,博士生导师,主要研究方向为大地测量、重力测量及地壳形变,E-mail:

LIU Daiqin, professor, PhD supervisor, majors in geodesy, gravimetry and crustal deformation, E-mail:

参考文献
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https://castjournals.cast.org.cn/joweb/ddcl/CN/10.14075/j.jgg.2024.08.402
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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