{"id":5065,"date":"2015-09-30T00:11:07","date_gmt":"2015-09-29T15:11:07","guid":{"rendered":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/?page_id=5065"},"modified":"2015-09-30T00:26:09","modified_gmt":"2015-09-29T15:26:09","slug":"topics-150916","status":"publish","type":"page","link":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/info\/topics\/topics-150916\/","title":{"rendered":"2015\u5e749\u670816\u65e5 \u30c1\u30ea\u4e2d\u90e8\u6c96\u306e\u5730\u9707\uff08M8.3\uff09"},"content":{"rendered":"<p>\u3000\u65e5\u672c\u6642\u9593\u306e9\u670817\u65e5\u5348\u524d7\u664254\u5206\uff08\u73fe\u5730\u6642\u95939\u670816\u65e519\u664254\u5206\uff09\u306b\u30c1\u30ea\u4e2d\u90e8\u306eIllapel\u6c96\u5408\u3067\u5de8\u5927\u5730\u9707\uff08M8.3\uff0c\u7c73\u56fd\u5730\u8cea\u8abf\u67fb\u6240\uff08USGS\uff09\u306b\u3088\u308b\uff09\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002USGS\u306b\u3088\u308b\u5730\u9707\u6ce2\u306e\u89e3\u6790\u7d50\u679c\uff08<a href=\"http:\/\/earthquake.usgs.gov\/earthquakes\/eventpage\/us20003k7a#scientific_finitefault:us_us20003k7a\">\u53c2\u8003URL<\/a>\uff09\u3067\u306f\u3001\u9707\u6e90\u57df\u306f\u30c1\u30ea\u6d77\u6e9d\u6cbf\u3044\u306b250 km\u307b\u3069\u306e\u7bc4\u56f2\u306b\u308f\u305f\u308a\u3001\u9707\u6e90\u65ad\u5c64\u3068\u306a\u3063\u305f\u30d7\u30ec\u30fc\u30c8\u5883\u754c\u3067\u6570\u30e1\u30fc\u30c8\u30eb\u306e\u5730\u9707\u6642\u3059\u3079\u308a\u304c\u8d77\u3053\u3063\u305f\u3068\u63a8\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u5927\u304d\u304f\u3059\u3079\u3063\u305f\u9818\u57df\u304c10 km\u4ee5\u6d45\u3068\u304b\u306a\u308a\u6d45\u304b\u3063\u305f\u305f\u3081\u306b\u3001\u30c1\u30ea\u4e2d\u90e8\u6cbf\u5cb8\u57df\u30674 m\u3092\u8d85\u3059\u5927\u6d25\u6ce2\u304c\u751f\u3058\u305f\u3082\u306e\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u4eca\u56de\u306e\u5730\u9707\u306e\u9707\u6e90\u57df\u306f2010\u5e74\u306b\u767a\u751f\u3057\u305fMaule\u5730\u9707\uff08M8.8\uff09\u306e\u3088\u308a\u3082\u5317\u306b\u4f4d\u7f6e\u3057\u307e\u3059\uff08\u56f31\uff09\u3002<\/p>\n<p>\u3000\u540c\u3058\u9818\u57df\u3067\u306f\u904e\u53bb\u306b1880\u5e74\uff08M\u4e0d\u660e\uff09\u30681943\u5e74\uff08M8.1\uff09\u306e\u5de8\u5927\u5730\u9707\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\uff08\u56f31\uff09\u30021950\u5e74\u4ee3\u4ee5\u524d\u306e\u5730\u9707\u306b\u3064\u3044\u3066\u306f\u3001\u89b3\u6e2c\u70b9\u6570\u306e\u554f\u984c\u3067\u3001\u9707\u6e90\u57df\u306e\u63a8\u5b9a\u8aa4\u5dee\u306f\u304b\u306a\u308a\u5927\u304d\u304f\u3001\u307e\u3057\u3066\u3084\u5730\u9707\u89b3\u6e2c\u30c7\u30fc\u30bf\u306e\u306a\u3044\u6b74\u53f2\u5730\u9707\u306e\u9707\u6e90\u57df\u306e\u63a8\u5b9a\u306b\u306f\u5927\u304d\u306a\u4e0d\u78ba\u5b9a\u6027\u304c\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u3092\u898b\u308b\u9650\u308a\u3001\u4eca\u56de\u306e\u5730\u9707\u306e\u9707\u6e90\u57df\u3067\u306f\u3001\u7d0470\u5e74\u306e\u9593\u9694\u3067\u5de8\u5927\u5730\u9707\u304c\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3057\u3066\u304d\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u30021943\u5e74\u306e\u5730\u9707\u306b\u4f34\u3044\u3001\u9707\u6e90\u57df\u306e\u6cbf\u5cb8\u30674\u20135m\u3001\u65e5\u672c\u6cbf\u5cb8\u3067\u308230 cm\u306e\u9ad8\u3055\u306e\u6d25\u6ce2\u304c\u89b3\u6e2c\u3055\u308c\u3066\u304a\u308a\uff08Lomnitz, 1971; Hatori, 1968\uff09\u3001\u4eca\u56de\u306e\u6d25\u6ce2\u3082\u540c\u898f\u6a21\u3067\u89b3\u6e2c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306e\u5730\u9707\u306b\u5148\u7acb\u3061\u3001Illapel\u3092\u542b\u3080\u30c1\u30ea\u4e2d\u90e8\u6cbf\u5cb8\u57df\u306b\u6574\u5099\u3055\u308c\u305fGPS\u5730\u6bbb\u5909\u52d5\u89b3\u6e2c\u7db2\u3067\u306f\u3001\u30ca\u30b9\u30ab\u30d7\u30ec\u30fc\u30c8\u306e\u53ce\u675f\u65b9\u5411\u3078\u306e\u5927\u304d\u306a\u5909\u4f4d\u901f\u5ea6\u304c\u89b3\u6e2c\u3055\u308c\u3066\u304a\u308a\u3001\u4eca\u56de\u306e\u9707\u6e90\u306b\u5bfe\u5fdc\u3059\u308b\u9818\u57df\u306b\u304a\u3051\u308b\u5f37\u3044\u30d7\u30ec\u30fc\u30c8\u9593\u56fa\u7740\u304c\u63a8\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\uff08M\u00e9tois et al., 2012\uff09\u3002<\/p>\n<p>\u3000Illapel\u5730\u9707\u306e\u9707\u6e90\u57df\u306e\u3055\u3089\u306b\u5317\u3067\u306f\u30011922\u5e74\u306e\u5730\u9707\uff08M8.4\uff09\u3092\u6700\u5f8c\u306b\u6d77\u6e9d\u6cbf\u3044500 km\u306b\u308f\u305f\u3063\u3066\u5de8\u5927\u5730\u9707\u304c\u8d77\u304d\u3066\u3044\u307e\u305b\u3093\uff08\u56f31\uff09\u30021922\u5e74\u306e\u5730\u9707\u6642\u306b\u306f\u3001\u9707\u6e90\u57df\u8fd1\u304f\u306e\u6cbf\u5cb8\u30679 m\u3001\u65e5\u672c\u6cbf\u5cb8\u3067\u308270 cm\u306e\u6d25\u6ce2\u304c\u5230\u9054\u3057\u305f\u8a18\u9332\u304c\u3042\u308a\u307e\u3059\uff08Lomnitz, 1971; Hatori, 1968\uff09\u3002\u518d\u6765\u9593\u9694\u304c\u7d04100\u5e74\u3067\u3059\u3067\u306b93\u5e74\u7d4c\u904e\u3057\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u3053\u306e\u9818\u57df\u306b\u304a\u3044\u3066\u3082\u540c\u7a0b\u5ea6\u306e\u898f\u6a21\u306e\u5730\u9707\u3092\u8d77\u3053\u305b\u308b\u3060\u3051\u306e\u3059\u3079\u308a\u6b20\u640d\u304c\u84c4\u7a4d\u3057\u3066\u3044\u308b\u3068\u60f3\u5b9a\u3055\u308c\u3001\u5de8\u5927\u5730\u9707\u767a\u751f\u306e\u5207\u8feb\u5ea6\u304c\u9ad8\u307e\u3063\u3066\u3044\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><a href=\"\/wp-content\/uploads\/2015\/09\/illapel.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2015\/09\/illapel.jpg\" alt=\"illapel\" width=\"768\" height=\"814\" class=\"alignnone size-full wp-image-5076\" \/><\/a><\/p>\n<p>\u56f31\uff0e\u5de6\u56f3\u306f\u3001\u30c1\u30ea\u4e2d\u5357\u90e8\u3067\u767a\u751f\u3057\u305f\u4e3b\u306a\u5730\u9707\u306e\u9707\u6e90\u57df\uff08Bilek et al., (2010)\u306b\u52a0\u7b46\uff09\u3002\u9ec4\u8272\u4e38\u306f\u4eca\u56de\u306e\u5730\u9707\u306b\u4f34\u3046M2.5\u4ee5\u4e0a\u306e\u4f59\u9707\u5206\u5e03\uff08<a href=\"http:\/\/earthquake.usgs.gov\/earthquakes\/map\/\">USGS\u30ab\u30bf\u30ed\u30b0<\/a>\u3088\u308a\uff09\u3002\u53f3\u56f3\u306f\u3001\u30c1\u30ea\u4e2d\u5357\u90e8\u6c96\u306e\u5927\u5730\u9707\u306e\u767a\u751f\u5c65\u6b74\uff08Beck et al. (1998)\u306b\u52a0\u7b46\uff09\u3002\u7dda\u5206\u306e\u9577\u3055\u306f\u65ad\u5c64\u3059\u3079\u308a\u306e\u8d77\u3053\u3063\u305f\u7bc4\u56f2\u306b\u76f8\u5f53\u3002<\/p>\n<h2>\u5f15\u7528\u6587\u732e<\/h2>\n<ul>\n<li>Beck, S., S. Barrientos, E. Kausel, and M. Reyes (1998), Source characteristics of historic earthquakes along the central Chile subduction zone, J. South Am. Earth Sci., 11, 2, 115\u2013129.<\/li>\n<li>Bilek, S. L. (2010), Invited review paper: Seismicity along the South American subduction zone: Review of large earthquakes, tsunamis, and subduction zone complexity, Tectonophys., 495, 2\u201314.<\/li>\n<li>Hatori, T. (1968), Study of Distant tsunamis along the coast of Japan, Bull. Earthquake Res. Inst., 34, 129\u2013136.<\/li>\n<li>Lomnitz, C. (1971), Grandes Terremotos y Tsunamis en Chile Durantel el Period 1535\u20131955, Geofisica Panamericana 1(1), 151\u2013178.<\/li>\n<li>Metois, M., A. Socquet, and C. Vigny (2012), Interseismic coupling, segmentation and mechanical behavior of the central Chile subduction zone, J. Geophys. Res., 117, B03406, doi:10.1029\/2011JB008736.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u65e5\u672c\u6642\u9593\u306e9\u670817\u65e5\u5348\u524d7\u664254\u5206\uff08\u73fe\u5730\u6642\u95939\u670816\u65e519\u664254\u5206\uff09\u306b\u30c1\u30ea\u4e2d\u90e8 &hellip; <a href=\"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/info\/topics\/topics-150916\/\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":182,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/pages\/5065"}],"collection":[{"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/comments?post=5065"}],"version-history":[{"count":16,"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/pages\/5065\/revisions"}],"predecessor-version":[{"id":5085,"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/pages\/5065\/revisions\/5085"}],"up":[{"embeddable":true,"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/pages\/182"}],"wp:attachment":[{"href":"http:\/\/cms1.aob.geophys.tohoku.ac.jp\/wp-json\/wp\/v2\/media?parent=5065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}