柴达木盆地北部2021年6月16日青海茫崖MS5.8地震发震构造分析

doi:10.3969/j.issn.0253-4967.2022.05.014

地震地质 ›› 2022, Vol. 44 ›› Issue (5): 1313-1332.DOI: 10.3969/j.issn.0253-4967.2022.05.014

柴达木盆地北部2021年6月16日青海茫崖M_S5.8地震发震构造分析

张博譞¹⁾^,²⁾^,³⁾^,⁶⁾(), 郑文俊¹⁾^,²⁾^,³⁾^,^*(), 陈杰³⁾^,⁴⁾, 何骁慧¹⁾^,²⁾, 李启雷⁵⁾, 张冬丽¹⁾^,²⁾^,³⁾, 段磊¹^,²^,³⁾, 陈干¹⁾^,²⁾^,³⁾

1)中山大学, 地球科学与工程学院, 广东省地球动力作用与地质灾害重点实验室, 珠海 510275
2)南方海洋科学与工程广东省实验室(珠海), 珠海 519082
3)中国地震局地质研究所, 地震动力学国家重点实验室, 北京 100029
4)新疆帕米尔陆内俯冲国家野外科学观测研究站, 北京 100029
5)青海省地震局, 西宁 810001
6)防灾科技学院, 三河 065201

收稿日期:2021-07-16 修回日期:2022-02-27 出版日期:2022-10-20 发布日期:2022-11-28
通讯作者: 郑文俊
作者简介:
张博譞, 男, 1992年生, 2022年于中山大学获构造地质学博士学位, 主要研究方向为新构造与活动构造, E-mail: zhangboxuan92@163.com。
基金资助:
第2次青藏高原综合科学考察研究(2019QZKK0901)

ANALYSIS OF THE SEISMOGENIC STRUCTURE OF THE JUNE 2021 M_S5.8 MANG’AI EARTHQUAKE IN NORTHERN QAIDAM BASIN

ZHANG Bo-xuan¹⁾^,²⁾^,³⁾^,⁶⁾(), ZHENG Wen-jun¹⁾^,²⁾^,³⁾(), CHEN Jie³⁾^,⁴⁾, HE Xiao-hui¹⁾^,²⁾, LI Qi-lei⁵⁾, ZHANG Dong-li¹⁾^,²⁾^,³⁾, DUAN Lei¹^,²^,³⁾, CHEN Gan¹⁾^,²⁾^,³⁾

1) Guangdong Provincial Key Lab of Geodynamics and Geohazards, Sun Yat-sen University, Guangzhou 510275, China
2) Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai), Zhuhai 519082, China
3) State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing 100029, China
4) Xinjiang Pamir Intracontinental Subduction National Observation and Research Station, Beijing 100029, China
5) Qinghai Earthquake Agency, Xining 810001, China
6) Institute of Disaster Prevention, Sanhe, Hebei 065201, China

Received:2021-07-16 Revised:2022-02-27 Online:2022-10-20 Published:2022-11-28
Contact: ZHENG Wen-jun

摘要/Abstract

摘要：

青海茫崖 M_S5.8 地震发生在祁连山与柴达木盆地交界的部位。对于此次地震开展研究, 不仅有助于理解柴达木盆地与祁连山之间的现今构造变形、应力状态及动力学过程, 也将为该区未来的强震趋势预测提供依据。文中首先利用CAP方法反演得到该次地震的震源深度约为13km, 震源机制解为逆冲性质。结合地表地质、卫星影像和地震反射剖面解译, 认为该地震发生在冷湖逆断裂-褶皱带的东南端, 发震构造可能为冷湖七号东背斜之下控制背斜生长的2条倾向相反的隐伏逆冲断裂之一。此次茫崖5.8级地震仅使冷湖七号东背斜下伏逆断层发生了部分破裂, 并未破裂至地表, 为典型的褶皱地震。震区发育多条第四纪活动褶皱及下伏逆断层, 这些构造均具备发生 M_W5.9 ~7.2地震的构造条件, 并有可能因级联地震破裂而引发7级以上强震。因此, 震区未来的地震危险性不容忽视。

关键词: 茫崖M_S5.8地震, CAP方法, 冷湖逆断裂-褶皱带, 褶皱地震, 发震构造

Abstract:

The M_S5.8 Mang’ai earthquake occurred in northwest Qaidam Basin on June 16, 2021. There are the Santai reverse fault-fold belt, Xiaoqulin reverse fault-fold belt, Lenghu reverse fault-fold belt and Eboliang reverse fault-fold belt developed in the seismic area from north to south, which converge along the direction of the Altun Fault in the northwest and spread out in the southeast basin. As the boundary between the southern margin of Qilian Shan and the northern margin of Qaidam Basin, the Mesozoic and Cenozoic tectonic deformation is very complex. The study of seismogenic capacity and mechanism of fold-related faults in this area is beneficial to further understand the strain distribution pattern and tectonic deformation mechanism between the southern Qilian Shan and the northern margin of Qaidam Basin.
This earthquake occurred in the eastern section of the NW-trending Lenghu anticline in the northwestern margin of Qaidam Basin. The focal depth of the earthquake is about 13km determined by using CAP method, and the focal mechanism solution is thrust type. The parameters of the double-couple nodal planes obtained in this paper are similar to those obtained by GFZ and USGS, respectively. Combined with surface geology, satellite images and seismic reflection profile interpretation, it is considered that the earthquake occurred in the southeast of the Lenghu reverse fault-fold belt, and the seismogenic structure may be one of two deep concealed thrust faults dipping north and south, respectively, which control the growth of the anticline under the east of Lenghu No.7 anticline.
According to the position of the growth strata interpreted by the seismic reflection profile, the latest rapid deformation in the eastern section of Lenghu anticline began around the sedimentary period of the Shizigou Formation in the Late Cenozoic, and the activity has continued till now.
This M_S5.8 Mang’ai earthquake only partially ruptured the underlying thrust fault of the east of Lenghu No.7 anticline, but did not rupture to the surface, so it was a typical folding earthquake.
According to the empirical formula of the rupture area-magnitude of reverse fault, we have estimated the upper limit of the maximum magnitude of many Quaternary active anticlines in the seismic region. All of these structures have the structural condition for generating M_W5.9~7.2 earthquakes, and may cause strong earthquakes of magnitude 7 or above due to cascading earthquake rupture. Therefore, the seismic risk of the earthquake area in the future cannot be ignored, and it is urgent to carry out more detailed research on the activity behavior of these structures.

Key words: M_S5.8 Mang’ai earthquake, Cut-and-Paste method, Lenghu reverse fault-fold belt, folded earthquake, seismogenic structure

张博譞, 郑文俊, 陈杰, 何骁慧, 李启雷, 张冬丽, 段磊, 陈干. 柴达木盆地北部2021年6月16日青海茫崖M_S5.8地震发震构造分析[J]. 地震地质, 2022, 44(5): 1313-1332.

ZHANG Bo-xuan, ZHENG Wen-jun, CHEN Jie, HE Xiao-hui, LI Qi-lei, ZHANG Dong-li, DUAN Lei, CHEN Gan. ANALYSIS OF THE SEISMOGENIC STRUCTURE OF THE JUNE 2021 M_S5.8 MANG’AI EARTHQUAKE IN NORTHERN QAIDAM BASIN[J]. SEISMOLOGY AND GEOLOGY, 2022, 44(5): 1313-1332.

图/表 12

表1 不同机构给出的茫崖 MS5.8 地震的参数

Table1 The results of focal mechanisms of the Mang’ai MS5.8 earthquake

来源	震中位置		震源深度 /km	震级	节面Ⅰ			节面Ⅱ			P轴		T轴		B轴
	北纬/(°)	东经/(°)			走向/(°)	倾角/(°)	滑动角/(°)	走向/(°)	倾角/(°)	滑动角/(°)	方位 /(°)	倾角/(°)	方位 /(°)	倾角/(°)	方位 /(°)	倾角/(°)
CENC	38.14	93.81	10	M_S5.8
USGS	38.21	93.72	14	M_W5.4	298	45	106	97	47	75	197	1	291	79	107	11
GCMT	38.25	93.72	17	M_W5.5	279	49	86	106	41	95	12	4	154	85	282	3
GFZ	38.13	93.76	17	M_S5.5	289	43	102	93	47	78
本文	38.14	93.81	13	M_W5.3	291	41	91	110	49	89	200	4	11	86	110	1

图1 柴达木盆地及邻区主要构造简图与2021年6月16日青海省海西蒙古族藏族自治州茫崖5.8级地震的震中位置据文献(Yin et al., 2008)修改, 地震目录引自全球矩心矩张量(GCMT)目录网站①(① https://www.globalcmt.org。)

Fig. 1 The location of the epicenter of the MS5.8 Mang’ai earthquake in Haixi Prefecture, Qinghai Province, June 16, 2021.

图2 震区地质图及条带地形剖面据Google Earth卫星影像图及1︰20地质图解译; 空心圆为不同机构给出的 MS5.8 地震的震中位置; 震源机制解采用本文所得结果

Fig. 2 Geological map of the study area based on Google Earth image interpretation and swath topographic profile.

图3 a 茫崖 MS5.8 地震震中与地震监测台站分布图; b 茫崖 MS5.8 地震震源机制反演误差随震源深度的变化图(初始深度设定为10km)

Fig. 3 The epicenter of Mang’ai MS5.8 earthquake and distribution of seismic monitoring stations(a); The variation of misfit error with focal depth during the focal mechanism inversion of the Mang’ai MS5.8 earthquake(b) (The initial depth is set to 10km).

表2 速度模型

Table2 The velocity models

厚度/km	P波速度/km·s^-1	S波速度/km·s^-1
0.5	2.50	1.20
0.5	4.00	2.10
18.0	6.00	3.50
18.0	6.40	3.70
18.0	7.10	3.90
0.0	8.15	4.70

图4 茫崖 MS5.8 地震的理论地震图与观测波形拟合图红色实线为理论地震图, 黑色实线为观测波形图, 台站名右侧数字为震中距(单位: km), 波形上方的数字分别代表理论地震图与观测地震图的互相关系数(百分比)

Fig. 4 The focal mechanism solution and comparison between observed and synthetic waveforms of the Mang’ai MS5.8 earthquake.

图5 三台背斜带构造的典型地震反射剖面 a 原始剖面(剖面位置见图2a中的AA'); b 解译剖面(据Cheng et al., 2019修改)

Fig. 5 Seismic section across the Santai anticline.

图6 冷湖七号东背斜的典型地震反射剖面(据余梦丽, 2018; Luo et al., 2022修改) a 原始剖面(剖面位置见图2a中的BB'); b 解译剖面

Fig. 6 Seismic section across the Lenghu No. 7 anticline(modified from YU Meng-li, 2018; Luo et al., 2022).

图7 冷湖七号东背斜的典型地震反射剖面(据李宏义等, 2007; Luo et al., 2022修改) a 原始剖面(剖面位置见图2a中的CC'); b 解译剖面。空心圆为不同机构给出的震中位置的投影

Fig. 7 Seismic section across the Lenghu No. 7 anticline(modified from LI Hong-yi et al., 2007; Luo et al., 2022).

图8 鄂博梁Ⅱ号背斜的典型地震剖面(据Luo et al., 2022) a 原始剖面; b 解释剖面

Fig. 8 Typical seismic profile across the Eboliang No.2 anticline(after Luo et al., 2022).

图9 青海茫崖5.8级地震的发震构造模型

Fig. 9 Seismogenic model of MS5.8 Mang’ai earthquake in Qinghai Province.

表3 震区主要活动构造的破裂面积及其最大潜在地震的矩震级

Table3 Multi-spatial rupture area and maximum potential seismic moment magnitude of the main faults

构造带名称	地表背斜	地表背斜长度 /km	上断点埋深 /km	Leonard, 2010 (M_W)^*	Wells等, 1994 (M_W)^*	Leonard, 2010 (M_W)^#	Wells等, 1994 (M_W)^#
三台逆断裂-褶皱带	级联全部破裂	61	0~1	7.0	6.8	7.2	7.0
小丘林逆断裂- 褶皱带	小丘林西、东背斜	33~44	4~6	6.2~6.6	6.1~6.4	6.8~7.0	6.6~6.8
	级联全部破裂	77	4~6	6.7	6.6	7.2	7.0
冷湖逆断裂- 褶皱带	西段冷湖带	7~12	0~1	6.0~6.3	5.9~6.2	6.3~6.5	6.2~6.4
	中段冷湖带	7~31	3~6	5.9~6.3	5.9~6.2	6.2~6.8	6.1~6.6
	东段冷湖带	32~48	2~3	6.2~6.5	6.1~6.4	6.6~6.9	6.5~6.7
	冷湖七号西段	17	3	6.3	6.2	6.6	6.5
	冷湖七号东段	25	6	6.2	6.1	6.7	6.6
	级联全部破裂	144	0~6	7.1	7.0	7.5	7.3
鄂博梁逆断裂- 褶皱带	鄂博梁Ⅰ-Ⅲ号	40~50	4~7	6.4~6.6	6.3~6.5	7.0	6.8
	葫芦山	38	5	6.5	6.4	6.9	6.8
	级联全部破裂	175	4~7	7.1	7.0	7.6	7.3

参考文献 54

[1]	白亚东, 杨巍, 马峰, 等. 2019. 柴北缘冷湖七号-南八仙地区构造特征及油气勘探方向[J]. 特种油气藏, 26(1): 75-79. doi: 10.3969/j.issn.1006-6535.2019.01.013. DOI
	BAI Ya-dong, YANG Wei, MA Feng, et al. 2019. Tectonic feature and oil and gas exploration direction of Lenghu 7-Nanbaxian area on north margin of Qaidam Basin[J]. Special Oil and Gas Reservoirs, 26(1): 75-79. (in Chinese)
[2]	陈俊厢, 陈景亮. 2003. 若羌-阿勒泰区域剖面的速度特征和地壳结构[J]. 新疆石油地质, 24(6): 498-501. doi: 10.3969/j.issn.1001-3873.2003.06.004. DOI
	CHEN Jun-xiang, CHEN Jing-liang. 2003. The crustal structure and velocity feature from Ruoqiang-Altai seismic profile in Xinjiang region[J]. Xinjiang Petroleum Geology, 24(6): 498-501. (in Chinese)
[3]	戴俊生, 曹代勇. 2000. 柴达木盆地新生代构造样式的演化特点[J]. 地质论评, 46(5): 455-460. doi: 10.1007/s11769-000-0051-4. DOI
	DAI Jun-sheng, CAO Dai-yong. 2000. Evolution characteristics of Cenozoic structural style in the Qaidam Basin[J]. Geological Review, 46(5): 455-460. (in Chinese)
[4]	戴俊生, 曹代勇, 张守仁. 1999. 冷湖背斜带中东段构造特征分析[J]. 煤炭学报, 24(6): 561-565.
	DAI Jun-sheng, CAO Dai-yong, ZHANG Shou-ren. 1999. The analysis on structural characteristics of the central and east part of Lenghu anticline belt[J]. Journal of China Coal Society, 24(6): 561-565. (in Chinese)
[5]	狄恒恕. 1984. 柴达木盆地北缘逆掩断裂带及其找油前景[J]. 石油与天然气地质, 5(2): 79-88. doi: 10.11743/ogg19840201. DOI
	DI Heng-shu. 1984. Overthrust belts on the northern margin of Qaidam Basin and their oil prospecting[J]. Oil & Gas Geology, 5(2): 79-88. (in Chinese)
[6]	狄恒恕, 王松贵. 1991. 柴达木盆地北缘中、新生代构造演化探讨[J]. 地球科学(中国地质大学学报), 16(5): 533-539. doi: 10.1007/BF03008874. DOI
	DI Heng-shu, WANG Song-gui. 1991. The study of the evolution of the Mesozoic and Cenozoic structures in the northeast margin of Qaidam Basin[J]. Earth Science-Journal of China University of Geosciences, 16(5): 533-539. (in Chinese)
[7]	高长海, 查明. 2007a. 柴达木盆地北缘北西(西)向断裂及其油气地质意义[J]. 地球学报, 28(3): 283-290. doi: 10.3321/j.issn:1006-3021.2007.03.007. DOI
	GAO Chang-hai, ZHA Ming. 2007a. The NW(W)-trending faults on the northern margin of the Qaidam Basin and their oil-gas geological significance[J]. Acta Geoscientica Sinica, 28(3): 283-290. (in Chinese)
[8]	高长海, 查明. 2007b. 柴达木盆地北缘冷湖-南八仙构造带油气成藏条件及成藏模式[J]. 中国石油大学学报(自然科学版), 31(4): 1-13.
	GAO Chang-hai, ZHA Ming. 2007b. Oil-gas reservoir-forming conditions and patterns in Lenghu-Nanbaxian structural belt in the northern margin of Qaidam Basin[J]. Journal of China University of Petroleum(Edition of Natural Sciences), 31(4): 1-13. (in Chinese)
[9]	高先志, 陈发景, 马达德, 等. 2003. 中、新生代柴达木盆地北缘的盆地类型与构造演化[J]. 西北地质, 36(4): 16-24.
	GAO Xian-zhi, CHEN Fa-jing, MA Da-de, et al. 2003. Tectonic evolution of the northern Qaidam Basin during Mesozoic and Cenozoic eras[J]. Northwestern Geology, 36(4): 16-24. (in Chinese)
[10]	郭占谦, 师继红. 2001. 新构造运动活跃的柴达木盆地含油气系统特征[J]. 大庆石油地质与开发, 20(1): 9-12. doi: 10.3969/j.issn.1000-3754.2001.01.003. DOI
	GUO Zhan-qian, SHI Ji-hong. 2001. Characteristic of the hydrocarbon system in Chaidam Basin with an active new structural movement[J]. Petroleum Geology & Oilfield Development in Daqing, 20(1): 9-12. (in Chinese)
[11]	胡受权, 曹运江, 黄继祥, 等. 1999. 柴达木盆地北缘地区前陆盆地演化及油气勘探目标[J]. 天然气工业, 19(4): 1-5. doi: 10.3321/j.issn:1000-0976.1999.04.001. DOI
	HU Shou-quan, CAO Yun-jiang, HUANG Ji-xiang, et al. 1999. Evolution of the foreland basin and the target for oil and gas exploration in the northern margin area of Chaidamu Basin[J]. Natural Gas Industry, 19(4): 1-5. (in Chinese)
[12]	姜枚, 许志琴, 薛光琦, 等. 1999. 青海茫崖-新疆若羌地震探测剖面及其深部构造的研究[J]. 地质学报, 73(2): 153-161.
	JIANG Mei, XU Zhi-qin, XUE Guang-qi, et al. 1999. Seismic profiling between Mangnai, Qinghai and Ruoqiang, Xinjiang and infrastructure study[J]. Acta Geologica Sinica, 73(2): 153-161. (in Chinese)
[13]	孔红喜, 王远飞, 周飞, 等. 2021. 鄂博梁构造带油气成藏条件分析及勘探启示[J]. 岩性油气藏, 33(1): 175-185.
	KONG Hong-xi, WANG Yuan-fei, ZHOU Fei, et al. 2021. Hydrocarbon accumulation conditions in Eboliang structural belt and its exploration implications[J]. Lithologic Reservoirs, 33(1): 175-185. (in Chinese)
[14]	李宏义, 汤良杰, 姜振学, 等. 2007. 柴达木盆地北缘冷湖七号构造油气成藏过程与模式[J]. 地质学报, 81(2): 267-272. doi: 10.3321/j.issn:0001-5717.2007.02.018. DOI
	LI Hong-yi, TANG Liang-jie, JIANG Zhen-xue, et al. 2007. Process and model of hydrocarbon accumulation in the area of Lenghu No.7 on the northern margin of the Qaidam Basin[J]. Acta Geologica Sinica, 81(2): 267-272. (in Chinese)
[15]	李廷栋. 1995. 青藏高原隆升的过程和机制[J]. 地球学报, (1): 1-9.
	LI Ting-dong. 1995. The uplifting process and mechanism of the Qinhai-Tibet Plateau[J]. Acta Geoscientica Sinica, (1): 1-9. (in Chinese)
[16]	刘志宏, 万传彪, 杨建国, 等. 2005. 柴达木盆地北缘地区新生代构造特征及变形规律[J]. 地质科学, 40(3): 404-414.
	LIU Zhi-hong, WAN Chuan-biao, YANG Jian-guo, et al. 2005. Cenozoic structural features and deformation regularities of the northern Qaidam Basin, China[J]. Chinese Journal of Geology, 40(3): 404-414. (in Chinese)
[17]	龙锋, 祁玉萍, 易桂喜, 等. 2021. 2021年5月21日云南漾濞 M_S6.4 地震序列重新定位发震构造分析[J]. 地球物理学报, 64(8): 2631-2646. doi: 10.6038/cjg2021O0526. DOI
	LONG Feng, QI Yu-ping, YI Gui-xi, et al. 2021. Relocation of the M_S6.4 Yangbi earthquake sequence on May 21, 2021 in Yunnan Province and its seismogenic structure analysis[J]. Chinese Journal of Geophysics, 64(8): 2631-2646. (in Chinese)
[18]	鲁如魁, 钟华明, 童劲松, 等. 2005. 西藏洛扎地区拆离断层构造变形特征[J]. 大地构造与成矿学, 29(2): 189-197. doi: 10.3969/j.issn.1001-1552.2005.02.005. DOI
	LU Ru-kui, ZHONG Hua-ming, TONG Jing-song, et al. 2005. Tectonic deformation features of the detachment fault in Luozha area, Tibet[J]. Geotectonica et Metallogenia, 29(2): 189-197. (in Chinese)
[19]	罗艳. 2010. 中小地震震源参数研究[D]. 合肥: 中国科学技术大学:5-10.
	LUO Yan. 2010. Source parameters study of small to moderate earthquakes[D]. University of Science and Technology of China, Hefei: 5-10. (in Chinese)
[20]	马达德, 袁莉, 陈琰, 等. 2018. 柴达木盆地北缘天然气地质条件、资源潜力及勘探方向[J]. 天然气地球科学, 29(10): 1486-1496. doi: 10.11764/j.issn.1672-1926.2018.09.009. DOI
	MA Da-de, YUAN Li, CHEN Yan, et al. 2018. Geological conditions of natural gas, resource potential and exploration direction in the northern margin of Qaidam Basin[J]. Natural Gas Geoscience, 29(10): 1486-1496. (in Chinese)
[21]	青海地质矿产局. 1991. 青海区域地质志[M]. 北京: 地质出版社.
	Qinghai Bureau of Geology and Mineral Resources. 1991. Regional Geology of Qinghai[M]. Geological Publishing House, Beijing. (in Chinese)
[22]	孙长虹, 许丰, 杨玉波, 等. 2012. 2003年青海德令哈6.7级地震序列的震源机制解及其构造含义[J]. 地球物理学报, 55(10): 3338-3346. doi: 10.1002/cjg2.1762. DOI
	SUN Chang-hong, XU Feng, YANG Yu-bo, et al. 2012. Focal mechanism solutions of 2003 Delingha, Qinghai, M6.7 earthquake sequence and its tectonic implication[J]. Chinese Journal of Geophysics, 55(10): 3338-3346. (in Chinese)
[23]	王步清. 2005. 柴北缘晚第三纪以来走滑冲断构造带的几何学和运动学[D]. 杭州: 浙江大学.
	WANG Bu-qing. 2005. Geometry and kinematics of strike-slip thrust belt in the northern margin of Qaidam Basin since Neogene[D]. Zhejiang University, Hangzhou. (in Chinese)
[24]	王步清, 肖安成, 程晓敢, 等. 2005. 柴达木盆地北缘新生代右行走滑冲断构造带的几何学和运动学[J]. 浙江大学学报(理学版), 32(2): 225-230. doi: 10.3321/j.issn:1008-9497.2005.02.027. DOI
	WANG Bu-qing, XIAO An-cheng, CHENG Xiao-gan, et al. 2005. Geometry and kinematics of Cenozoic right-lateral strike-slip thrust structural belt in the north margin of the Qaidam Basin[J]. Journal of Zhejiang University(Science Edition), 32(2): 225-230. (in Chinese)
[25]	王步清, 王清华, 陈汉林, 等. 2006. 柴北缘冷湖地区构造建模和构造分析[J]. 大地构造与成矿学, 30(4): 430-434. doi: 10.3969/j.issn.1001-1552.2006.04.004. DOI
	WANG Bu-qing, WANG Qing-hua, CHEN Han-lin, et al. 2006. Three-dimensional structure modeling and structural analysis of the Lenghu area in the northern margin of Qaidam Basin[J]. Geotectonica et Metallogenia, 30(4): 430-434. (in Chinese)
[26]	王月, 胡少乾, 何骁慧, 等. 2021. 2021年5月21日云南漾濞6.4级地震序列重定位及震源机制研究[J]. 地球物理学报, 64(12): 4510-4525. doi: 10.6038/cjg2021p0401. DOI
	WANG Yue, HU Shao-qian, HE Xiao-hui, et al. 2021. Relocation and focal mechanism solutions of the 21 May 2021 M_S6.4 Yunnan Yangbi earthquake sequence[J]. Chinese Journal of Geophysics, 64(12): 4510-4525. (in Chinese)
[27]	王志伟, 王小龙, 马胜利, 等. 2018. 重庆荣昌地区注水诱发地震的时空分布特征[J]. 地震地质, 40(3): 523-538. doi: 10.3969/j.issn.0253-4967.2018.03.002. DOI
	WANG Zhi-wei, WANG Xiao-long, MA Sheng-li, et al. 2018. Detailed temporal-spatial distribution of induced earthquakes by water injection in Rongchang, Chongqing[J]. Seismology and Geology, 40(3): 523-538. (in Chinese)
[28]	魏国齐, 李本亮, 肖安成, 等. 2005. 柴达木盆地北缘走滑-冲断构造特征及其油气勘探思路[J]. 地学前缘, 12(4): 397-402. doi: 10.3321/j.issn:1005-2321.2005.04.008. DOI
	WEI Guo-qi, LI Ben-liang, XIAO An-cheng, et al. 2005. Strike-thrust structures and petroleum exploration in northern Qaidam Basin[J]. Earth Science Frontiers, 12(4): 397-402. (in Chinese)
[29]	肖安成, 陈志勇, 杨树锋, 等. 2005. 柴达木盆地北缘晚白垩世古构造活动的特征研究[J]. 地学前缘, 12(4): 451-457. doi: 10.3321/j.issn:1005-2321.2005.04.014. DOI
	XIAO An-cheng, CHEN Zhi-yong, YANG Shu-feng, et al. 2005. The study of Late Cretaceous paleostructural characteristics in northern Qaidam Basin[J]. Earth Science Frontiers, 12(4): 451-457. (in Chinese)
[30]	杨明慧. 1998. 张盆压岭型地洼盆地的基本特征及其大地构造演化: 对柴达木盆地北缘德令哈地洼的实例研究[J]. 大地构造与成矿学, 22(3): 198-208. doi: 10.1088/0256-307X/16/9/027. DOI
	YANG Ming-hui. 1998. Geotectonic research on the diwa basin of tensile basin and compressive mountain type in the north borderland of the Qaidam Basin[J]. Geotectonica et Metallogenia, 22(3): 198-208. (in Chinese)
[31]	姚生海, 盖海龙, 殷翔, 等. 2020. 柴达木盆地北缘断裂(锡铁山段)的构造地貌特征与晚第四纪活动速率[J]. 地震地质, 42(6): 1385-1400. http://dx.doi.org/10.3969/j.issn.0253-4467.2020.06.008.
	YAO Sheng-hai, GAI Hai-long, YIN Xiang, et al. 2020. Tectonic geomorphology and Quaternary slip rate of the Xitieshan section of the northern margin fault of Qaidam Basin[J]. Seismology and Geology, 42(6): 1385-1400. (in Chinese)
[32]	易桂喜, 赵敏, 龙锋, 等. 2021. 2021年9月16日四川泸县 M_S6.0 地震序列特征及孕震构造环境[J]. 地球物理学报, 64(12): 4449-4461.
	YI Gui-xi, ZHAO Min, LONG Feng, et al. 2021. Characteristics of the seismic sequence and seismogenic environment of the M_S6.0 Sichuan Luxian earthquake on September 16, 2021[J]. Chinese Journal of Geophysics, 64(12): 4449-4461. (in Chinese)
[33]	余梦丽. 2018. 柴达木盆地北缘西段新生代构造隆升及沉积响应[D]. 西安: 西北大学:88.
	YU Meng-li. 2018. Cenozoic tectonic uplift and sedimentary response in the western part of the northern Qaidam Basin[D]. Northwest University, Xi'an: 88. (in Chinese)
[34]	张迎峰. 2021. 基于形变观测的山前活动断裂几何学与运动学特征研究[D]. 北京: 中国地震局地质研究所.
	ZHANG Ying-feng. 2021. Geometry and kinematic characteristics of piedmont active fault based on deformation observation[D]. Institute of Geology, China Earthquake Administration, Beijing. (in Chinese)
[35]	赵寒森. 2010. 柴北缘冷湖构造带构造特征及其对油气成藏的控制[D]. 西安: 西安科技大学:15-16.
	ZHAO Han-sen. 2010. The tectonic characteristics and its control on the oil and gas accumulation in the Lenghu tectonic zone of the north margin of the Qaidam Basin[D]. Xi'an University of Science and Technology, Xi'an: 15-16. (in Chinese)
[36]	中国石油地质志编写组. 1990. 中国石油地质志[M]. 北京: 石油工业出版社:12-66.
	China Petroleum Geology Compilation Group. 1990. Petroleum Geology of China[M]. Petroleum Industry Press, Beijing: 12-66. (in Chinese)
[37]	周飞, 王波, 李哲翔, 等. 2019. 柴达木盆地冷湖构造带天然气地球化学特征及成藏主控因素[J]. 天然气地球科学, 30(10): 1496-1507. doi: 10.11764/j.issn.1672-1926.2019.06.003. DOI
	ZHOU Fei, WANG Bo, LI Zhe-xiang, et al. 2019. Geochemical characteristics and accumulation elements controlling the natural gas in Lenghu tectonic belts of Qaidam Basin[J]. Natural Gas Geoscience, 30(10): 1496-1507. (in Chinese)
[38]	Chen G H, Xu X W, Zhu A L, et al. 2013. Seismotectonics of the 2008 and 2009 Qaidam earthquakes and its implication for regional tectonics[J]. Acta Geologica Sinica(English Edition), 87(2): 618-628. doi: 10.1111/1755-6724.12072. DOI
[39]	Cheng F, Garzione C N, Mitra G, et al. 2019. The interplay between climate and tectonics during the upward and outward growth of the Qilian Shan orogenic wedge, northern Tibetan plateau[J]. Earth-Science Reviews, 198:1-21. doi: 10.1016/j.earscirev.2019.102945. DOI
[40]	Daout S, Steinberg A, Isken M P, et al. 2020. Illuminating the spatio-temporal evolution of the 2008-2009 Qaidam earthquake sequence with the joint use of InSAR time series and teleseismic data[J]. Remote Sensing, 12(17): 2850. doi: 10.3390/rs12172850. DOI URL
[41]	Dziewonski A M, Chou T A, Woodhouse J H. 1981. Determination of earthquake source parameters from waveform data for studies of global and regional seismicity[J]. Journal of Geophysical Research, 86(B4): 2825-2852. doi: 10.1029/JB086iB04p02825. DOI URL
[42]	Ekström G, Nettles M, Dziewonski A M. 2012. The global CMT project 2004-2010: Centroid-moment tensors for 13, 017 earthquakes[J]. Physics of the Earth and Planetary Interiors, 200-201: 1-9. doi: 10.1016/j.pepi.2012.04.002. DOI
[43]	Elliott J R, Parsons B, Jackson J A, et al. 2011. Depth segmentation of the seismogenic continental crust, the 2008 and 2009 Qaidam earthquakes[J]. Geophysical Research Letters, 38: L06305. doi: 10.1029/2011GL046897. DOI
[44]	Fang X M, Zhang W L, Meng Q Q, et al. 2007. High-resolution magnetostratigraphy of the Neogene Huaitoutala section in the eastern Qaidam Basin on the NE Tibetan plateau, Qinghai Province, China and its implication on tectonic uplift of the NE Tibetan plateau[J]. Earth and Planetary Science Letters, 258(1): 293-306. doi: 10.1016/j.epsl.2007.03.042. DOI URL
[45]	Hanks T H, Kanamori H. 1979. A moment magnitude scale[J]. Journal of Geophysical Research, Part B: Solid Earth, 84(B5): 2348-2350.
[46]	Leonard M. 2010. Earthquake fault scaling: Self-consistent relating of rupture length, width, average displacement, and moment release[J]. Bulletin of the Seismological Society of America, 100(5A): 1971-1988. doi: 10.1785/0120090189. DOI
[47]	Liu Y, Xu C J, Wen Y M, et al. 2015. A new perspective on fault geometry and slip distribution of the 2009 Dachaidan M_W6.3 earthquake from InSAR observations[J]. Sensors, 15(7): 16786-16803. doi: 10.3390/s150716786. DOI URL
[48]	Luo L, John W G, Xu Z, et al. 2022. Geometry and kinematics of the western part of the NE Qaidam Basin: Implications for the growth of the Tibetan plateau[J]. Tectonophysics, 822: 229154. doi: 10.1016/j.tecto.2021.229154. DOI URL
[49]	Wang S, Wu W, Li Q, et al. 2020. Coseismic underground rupture, geometry, historical surface deformations, and seismic potentials of the 28 March 2019 M_W5.04 Mangya earthquake fault[J]. Tectonics, 39(11): e2020TC006244. doi: 10.1029/2020TC006244. DOI
[50]	Wells D L, Coppersmith K J. 1994. New empirical relationships among magnitude, rupture length, rupture width, rupture area, and surface displacement[J]. Bulletin of the Seismological Society of America, 84(4): 974-1002. doi: 10.1007/BF00808290. DOI
[51]	Yin A, Dang Y Q, Wang L C, et al. 2008. Cenozoic tectonic evolution of Qaidam Basin and its surrounding regions(part 1): The southern Qilian Shan-Nan Shan thrust belt and northern Qaidam Basin[J]. Geological Society of America Bulletin, 120(7-8): 813-846. doi: 10.1130.B26180.1. DOI
[52]	Yue Y J, Liou J G. 1999. Two-stage evolution model for the Altyn Tagh Fault, China[J]. Geology, 27(3): 227-230. doi: 10.1130/0091-7613(1999)027<0227:TSEMFT>2.3.CO;2. DOI
[53]	Zha X J, Dai Z Y. 2013. Constraints on the seismogenic faults of the 2003-2004 Delingha earthquakes by InSAR and modeling[J]. Journal of Asian Earth Sciences, 75: 19-25. doi: 10.1016/j.jseaes.2013.06.013. DOI
[54]	Zhang B X, Zheng W J, Li T, et al. 2022. Late Cenozoic fold deformation in the northern margin of Qaidam Basin and southward propagation of Qilian Shan[J]. Tectonophysics, 822: 229153. doi: 10.1016/j.tecto.2021.229153. DOI URL

柴达木盆地北部2021年6月16日青海茫崖M_S5.8地震发震构造分析

ANALYSIS OF THE SEISMOGENIC STRUCTURE OF THE JUNE 2021 M_S5.8 MANG’AI EARTHQUAKE IN NORTHERN QAIDAM BASIN

RichHTML

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

图/表 12

参考文献 54

相关文章 15

编辑推荐

Metrics

本文评价

[1]	刘白云, 赵莉, 刘云云, 王文才, 张卫东. 2021年5月22日青海玛多M7.4地震余震重新定位与断层面参数拟合[J]. 地震地质, 2023, 45(2): 500-516.
[2]	赵德政, 屈春燕, 张桂芳, 龚文瑜, 单新建, 朱传华, 张国宏, 宋小刚. 基于InSAR技术的同震形变获取、地震应急监测和发震构造研究应用进展[J]. 地震地质, 2023, 45(2): 570-592.
[3]	张珂, 王鑫, 杨红樱, 王玥, 徐岩, 李静. 2021年云南漾濞M_S6.4地震序列特征及其发震构造分析[J]. 地震地质, 2023, 45(1): 231-251.
[4]	李传友, 孙凯, 马骏, 李俊杰, 梁明剑, 房立华. 四川泸定6.8级地震--鲜水河断裂带磨西段局部发起、全段参与的一次复杂事件[J]. 地震地质, 2022, 44(6): 1648-1666.
[5]	姚生海, 盖海龙, 殷翔, 刘炜, 张加庆, 袁建新. 阿木尼克山山前地表破裂带与1962年6.8级地震关系的讨论[J]. 地震地质, 2022, 44(4): 976-991.
[6]	梁宽, 何仲太, 姜文亮, 李永生, 刘泽民. 2022年1月8日青海门源M_S6.9地震的同震地表破裂特征[J]. 地震地质, 2022, 44(1): 256-278.
[7]	高帆, 韩竹军, 袁仁茂, 董绍鹏, 郭鹏. 滇东南地区小江断裂南段历史滑坡特征及其地震地质意义[J]. 地震地质, 2021, 43(6): 1412-1434.
[8]	姚生海, 盖海龙, 殷翔, 李鑫. 青海玛多M_S7.4地震地表破裂带的基本特征和典型现象[J]. 地震地质, 2021, 43(5): 1060-1072.
[9]	贾蕊, 张国宏, 解朝娣, 单新建, 张迎峰, 李成龙, 黄自成. 2019年巴基斯坦新米尔普尔M_W6.0地震的同震形变场与断层滑动分布反演[J]. 地震地质, 2021, 43(3): 600-613.
[10]	赵启光, 孙业君, 黄耘, 杨伟林, 顾勤平, 孟科, 杨浩. 高邮-宝应M_S4.9地震的发震构造[J]. 地震地质, 2021, 43(3): 630-646.
[11]	李传友, 张金玉, 王伟, 孙凯, 单新建. 2021年云南漾濞6.4级地震发震构造分析[J]. 地震地质, 2021, 43(3): 706-721.
[12]	崔仁胜, 赵翠萍, 周连庆, 陈阳. 2020年1月19日新疆伽师M_S6.4地震序列的活动特征和发震构造[J]. 地震地质, 2021, 43(2): 329-344.
[13]	李启雷, 李玉丽, 屠泓为, 刘文邦. 丁青地区地震重定位、震源机制及其发震构造初步分析[J]. 地震地质, 2021, 43(1): 209-231.
[14]	刘白云, 尹志文, 袁道阳, 李亮, 王维欢. 青藏高原东北缘老虎山断裂的断层面参数拟合及其几何意义[J]. 地震地质, 2020, 42(6): 1354-1369.
[15]	吴微微, 魏娅玲, 龙锋, 梁明剑, 陈学芬, 孙玮, 赵晶. 2017年8月8日四川九寨沟M7.0地震及其余震序列的震源参数[J]. 地震地质, 2020, 42(2): 492-512.

柴达木盆地北部2021年6月16日青海茫崖MS5.8地震发震构造分析

ANALYSIS OF THE SEISMOGENIC STRUCTURE OF THE JUNE 2021 MS5.8 MANG’AI EARTHQUAKE IN NORTHERN QAIDAM BASIN

RichHTML

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

图/表 12

参考文献 54

相关文章 15

编辑推荐

Metrics

本文评价

柴达木盆地北部2021年6月16日青海茫崖M_S5.8地震发震构造分析

ANALYSIS OF THE SEISMOGENIC STRUCTURE OF THE JUNE 2021 M_S5.8 MANG’AI EARTHQUAKE IN NORTHERN QAIDAM BASIN