Pre-seismic and Co-seismic Crustal Movements of the M 7.3 Kyushu Earthquake on April 16, 2016 in Japan-中国Betway体育网页登陆

摘要 ThetimeseriesofcoordinatesofalargenumberofGPSstationsintheworld,processedbyProf.GeoffreyBlewittwithGIPSYsoftwareareavailableathttp://geodesy.unr.edu.BasedonthetimeseriesofcoordinatesintheglobalreferenceframeofIGS08atmorethan250stationsofcontinuousGPSobservations,downloadedfromthewebsite,theco-seismicdisplacementsoftheM7.3KyushuearthquakeonApril16,2016inJapanandthepre-seismicstrainaccumulationsanddisplacementsintheregionalreferenceframewereobtained.ThestationofcontinuousGPSobservationatBJFSnearBeijinghasbeenquitestableindisplacementintheeasternpartofChinaformorethan17yearssincethebeginningofitsoperation,andthisstationisusedasthecorestationintheregionalreferenceframeforthepre-seismicdisplacementoftheKyushuearthquakeofM7.3.Themainfeatureofthepre-seismicdisplacementsoftheKyushuearthquakeischaracterizedbylockinginthecrustatandneartheepicenter.Theanomalouspre-seismicstrainaccumulationdevelopedinanareaofanomalousaccumulationoftheshearstraincomponentofγ1onthenortheastsideoftheepicenter,withincreasingsizeoftheareaandincreasingmagnitudeinγ1.Thelargestareacoveredbytheanomalousγ1isabout2000km2.ThechangeintheEcomponentatBJFSsinceNovember26,2015wascausedbythereplacementofthereceiverandtheantennaatthestation.Inordertostudytheshort-termchangeindisplacementsatstationsatandneartheepicenter,thetimeseriesat3stationswithcontinuousGPSobservations,2atSUWNandDAEJinsouthKoreaand1atBJSHnearBeijingwereanalyzed.Theanalysisshowsthatthedisplacementsatthe3stationshavebeenquitestableinthesamemannerineastAsia.Thus,BJSHisusedasthecorestationintheregionalreferenceframeofdisplacementandthedisplacementtimeseriesshowthattherewerenosignificantshorttermanomaliesbeforetheearthquake

1Zhang Li;Su Youjin;Luo Ruijie;Gao Wenfei;Zhang Ping.The Co-seismic Response of Underground Fluid in Yunnan to the Nepal MS8.1 Earthquake.地震学,2017-02.
2Jie Dong;Wenke Sun.Internal co-seismic deformation and curvature effect based on an analytical approach.地震学,2017-01.
3Gu Shenyi Liu Yang Zhang Hui Xie Xiaojing Ye Xiangding.Analysis on the Characteristics of the Co-seismic Response of Water Levels in the Jiaji Well.地震学,2012-01.
4李进;申文斌.Investigation of the Co-seismic Gravity Field Variations Caused by the 2004 Sumatra-Andaman Earthquake Using Monthly GRACE Data.地质学,2011-02.
5Bo Zhao;Yutao Shi;Yuan Gao.Seismic relocation, focal mechanism and crustal seismic anisotropy associated with the 2010 Yushu Ms7.1 earthquake and its aftershocks.地震学,2012-01.
6Xin Zhou1;Gabriele Cambiotti;WenKe Sun;Roberto Sabadini.Co-seismic slip distribution of the 2011 Tohoku(MW 9.0)earthquake inverted from GPS and space-borne gravimetric data.空间物理学,2018-02.
7马超;单新建.Decomposing InSAR LOS displacement into co-seismic dislocation with a linear interpolation model： A case study of the Kunlun Mountain Ms=8.1 earthquake.地震学,2006-01.
8Chengli Liu;Bin Shan;Yong Zheng;Ying Jiang;Xiong Xiong.Modeling of co- and post-seismic surface deformation and gravity changes of M W 6.9 Yushu,Qinghai,earthquake.地震学,2011-02.
9Nie Xiaohong;Wang Qiong.Analysis of Seismic Activity Characteristics before the Yutian MS7.3 Earthquake, Xinjiang on February 12, 2014.地震学,2014-04.
10TianYu Zheng;YongHong Duan;WeiWei Xu;YinShuang Ai.A seismic model for crustal structure in North China Craton.空间物理学,2017-01.

Pre-seismic and Co-seismic Crustal Movements of the M 7.3 Kyushu Earthquake on April 16, 2016 in Japan

来源期刊

相关推荐

同分类资源更多

相关关键词