东北地方太平洋近海地震发生时和地震后的地形变与根据地形变推断的滑动分布
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摘要
<正>通过陆地GPS连续观测网,伴随2011年东北地方太平洋近海地震的发生,观测到了在宫城县牡鹿半岛东南东方向最大达5.3m的地形变。东北地方太平洋沿岸还大范围出现超过1m的沉降,使该地区的海港设施和住宅地长时间被淹,并成为灾后恢复
引文
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[27]Ozawa S,Nishimura T,Suito H,et al.Coseismic and postseismic slip of the2011magnitude-9Tohoku-Oki earthquake.Nature,2011,475:373-376,doi:10.1038/nature10227
[28]木戸元之,佐藤まりこ.海底地殻変動観測で検出された東北地方太平洋沖地震による大規模変位.地震学会ニュースレター,2011,23(4):11-12
[29]谷岡勇市郎.津波波形解析から見る2011年東北地方太平洋沖地震の震源過程レビュー.地震学会ニュースレター,2011,23(3):18-19
[30]水藤尚,西村卓也,小林知勝,ほか.2011年(平成23年)東北地方太平洋沖地震に伴う地震時および地震後の地殻変動と断層モデル,地震2,投稿中.
[31]国土地理院,海上保安庁.東北地方太平洋沖地震の陸域及び海域の地殻変動と滑り分布モデル.ht-tp:∥www.gsi.go.jp/cais/topic110520-index.html.2011
[32]国土地理院.北地方太平洋沖地震後のプレート境界面上のすべりの時間変化(暫定).2011.第192回地震予知連絡会資料
[33]Nakajima J,Hasegawa A.Anomalous low-velocity zone and linear alignment of seismicity along it in the subducted Pacific slab beneath Kanto,Japan:Reactivation of subducted fracture zone?.Geophys.Res.Lett.,2006,33,L16309,doi:10.1029/2006GL026773
[2]Lay T,Ammon C J,Kanamori H,et al.Possible large near-trench slip during the2011MW9.0off the Pacific coast of Tohoku earthquake.Earth Planets Space,2011,63:687-692
[3]Yoshida Y,Ueno H,Muto D,et al.Source process of the2011off the Pacific coast of Tohoku earth-quake with the combination of teleseismic and strong motion data.Earth Planets Space,2011,63:565-569
[4]Ammon C J,Lay T,Kanamori H,et al.A rupture model of the2011off the Pacific coast of Tohoku earthquake.Earth Planets Space,2011,63:693-696
[5]Shao G,Li X,Ji C,et al.Focal mechanism and slip history of the2011MW9.1off the Pacific coast of Tohoku earthquake,constrained with teleseismic body and surface waves.Earth Planets Space,2011,63:559-564
[6]Ide S,Baltay A,Beroza G C.Shallow dynamic overshoot and energetic deep rupture in the2011MW9.0 Tohoku-Oki earthquake.Science,2011,332:1426-1429.doi:10.1126/science.1207020
[7]Suzuki W,Aoi S,Sekiguchi H,et al.Rupture process of the2011Tohoku-Oki mega-thrust earthquake(M9.0)inverted from strong-motion data.Geophys.Res.Lett.,2011,38,L00G16,doi:10.1029/2011GL049136
[8]Yoshida K,Miyakoshi K,Irikura K.Source process of the2011off the Pacific coast of Tohoku earth-quake inferred from waveform inversion with long-period strong-motion records.Earth Planets Space,2011,63:577-582
[9]Koketsu K,Yokota Y,Nishimura N,et al.A unified source model for the2011Tohoku earthquake.Earth Planet.Sci.Lett.,2011,310:480-487
[10]Lee S,Huang B,Ando M,et al.Evidence of large scale repeating slip during the2011Tohoku-Oki earthquake.Geophys.Res.Lett.,2011,38,L19306.doi:10.1029/2011GL049580
[11]Ishii M.High-frequency rupture properties of the MW9.0off the Pacific coast of Tohoku earthquake.Earth Planets Space,2011,63:609-614
[12]Wang D,Mori J.Rupture process of the2011off the Pacific coast of Tohoku earthquake(M W 9.0)as imaged with back-projection of teleseismic P-waves.Earth Planets Space,2011,63:603-607
[13]Zhang H,Ge Z,Ding L.Three sub-events composing the2011off the Pacific coast of Tohoku earth-quake(M W 9.0)inferred from rupture imaging by back-projecting teleseismic P waves.Earth Planets Space,2011,63:595-598
[14]Koper K D,Hutko A R,Lay T,et al.Frequency-dependent rupture process of the2011M W 9.0Tohoku earthquake:Comparison of short-period P wave backprojection images and broadband seismic rupture models.Earth Planets Space,2011,63:599-602
[15]Honda R,Yukutake Y,Ito H,et al.A complex rupture image of the2011off the Pacific coast of To-hoku earthquake revealed by the MeSO-net.Earth Planets Space,2011,63:583-588
[16]Kurahashi S,Irikura K.Source model for generating strong ground motions during the2011off the Pa-cific coast of Tohoku earthquake.Earth Planets Space,2011,63:571-576
[17]Ammon C J,Ji C,Thio H,et al.Rupture process of the2004Sumatra-Andaman earthquake.Science,2005,308(5725):1133-1139
[18]Delouis B,Nocquet J,Vallee M.Slip distribution of the February27,2010M W=8.8Maule earthquake,central Chile,from static and high-rate GPS,InSAR,and broadband teleseismic data.Geophys.Res.Lett.,2010,37,L17305,doi:10.1029/2010GL043899
[19]Fujita1M,Ishikawa T,Mochizuki M,et al.GPS/Acoustic seafloor geodetic observation:method of da-ta analysis and its application.Earth Planets Space,2006,58:265-275
[20]Kido M,FujimotoH,Miura S,et al.Seafloor displacement at Kumano-nada caused by the2004off Kii Peninsula earthquakes,detected through repeated GPS/Acoustic surveys.Earth Planets Space,2006,58:911-915
[21]Tadokoro K,Ando M,Ikuta R,et al.Observation of coseismic seafloor crustal deformation due to M7 class offshore earthquakes.Geophys.Res.Lett.,2006,33,L23306.doi:10.1029/2006GL026742
[22]Matsumoto Y,Fujita M,Ishikawa T,et al.Undersea co-seismic crustal movements associated with the 2005off Miyagi Prefecture earthquake detected by GPS/acoustic seafloor geodetic observation.Earth Planets Space,2006,58:1573-1576
[23]Sato M,Saito H,Ishikawa T,et al.Restoration of interplate locking after the2005Off-Miyagi Prefec-ture earthquake,detected by GPS/acoustic seafloor geodetic observation.Geophys.Res.Lett.,2011,38,L01312,doi:10.1029/2010GL045689
[24]Sato M,Ishikawa T,Ujihara N,et al.Displacement above the hypocenter of the2011Tohoku-Oki earthquake.Science,2011,332,1395,doi:10.1126/science.1207401
[25]Kido M,Osada Y,Fujimoto H,et al.Trench-normal variation in observed seafloor displacements asso-ciated with the2011Tohoku-Oki earthquake.Geophys.Res.Lett.,2011,38,L24303,doi:10.1029/2011GL050057
[26]Ito Y,Tsuji T,Osada Y,et al.Frontal wedge deformation near the source region of the2011Tohoku-Oki earthquake.Geophys.Res.Lett.,2011,38,L00G05,doi:10.1029/2011GL048355
[27]Ozawa S,Nishimura T,Suito H,et al.Coseismic and postseismic slip of the2011magnitude-9Tohoku-Oki earthquake.Nature,2011,475:373-376,doi:10.1038/nature10227
[28]木戸元之,佐藤まりこ.海底地殻変動観測で検出された東北地方太平洋沖地震による大規模変位.地震学会ニュースレター,2011,23(4):11-12
[29]谷岡勇市郎.津波波形解析から見る2011年東北地方太平洋沖地震の震源過程レビュー.地震学会ニュースレター,2011,23(3):18-19
[30]水藤尚,西村卓也,小林知勝,ほか.2011年(平成23年)東北地方太平洋沖地震に伴う地震時および地震後の地殻変動と断層モデル,地震2,投稿中.
[31]国土地理院,海上保安庁.東北地方太平洋沖地震の陸域及び海域の地殻変動と滑り分布モデル.ht-tp:∥www.gsi.go.jp/cais/topic110520-index.html.2011
[32]国土地理院.北地方太平洋沖地震後のプレート境界面上のすべりの時間変化(暫定).2011.第192回地震予知連絡会資料
[33]Nakajima J,Hasegawa A.Anomalous low-velocity zone and linear alignment of seismicity along it in the subducted Pacific slab beneath Kanto,Japan:Reactivation of subducted fracture zone?.Geophys.Res.Lett.,2006,33,L16309,doi:10.1029/2006GL026773
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