{"id":4045,"date":"2026-09-22T08:28:55","date_gmt":"2026-09-21T23:28:55","guid":{"rendered":"https:\/\/y42u.net\/tec001\/2026\/09\/22\/hawaii-approaching-japan-plate-motion-vlbi-field\/"},"modified":"2026-09-26T10:38:57","modified_gmt":"2026-09-26T01:38:57","slug":"hawaii-approaching-japan-plate-motion-vlbi-field","status":"publish","type":"post","link":"https:\/\/y42u.net\/tec001\/2026\/09\/22\/hawaii-approaching-japan-plate-motion-vlbi-field\/","title":{"rendered":"\u30cf\u30ef\u30a4\u306f\u65e5\u672c\u306b\u8fd1\u3065\u3044\u3066\u3044\u308b\uff1f \u2014 \u5e746\u301c8cm\u3092\u5b9f\u969b\u306b\u6e2c\u3063\u305f\u96fb\u6ce2\u671b\u9060\u93e1\u3068\u3001\u300c\u3044\u3064\u304b\u304f\u3063\u3064\u304f\u300d\u3068\u306f\u9650\u3089\u306a\u3044\u7406\u7531"},"content":{"rendered":"<style>img.autopost-single-image{width:30%;max-width:100%;height:auto;display:block;}@media (max-width: 768px){img.autopost-single-image{width:50%;}}<\/style>\n<p><img decoding=\"async\" style=\"width:80%;max-width:100%;height:auto;display:block;margin:0 auto;\" src=\"https:\/\/y42u.net\/tec001\/wp-content\/uploads\/2026\/09\/gde-hawaii-approaching-japan-plate-motion-vlbi-field.jpeg\" alt=\"\u30cf\u30ef\u30a4\u306f\u65e5\u672c\u306b\u8fd1\u3065\u3044\u3066\u3044\u308b\uff1f \u2014 \u5e746\u301c8cm\u3092\u5b9f\u969b\u306b\u6e2c\u3063\u305f\u96fb\u6ce2\u671b\u9060\u93e1\u3068\u3001\u300c\u3044\u3064\u304b\u304f\u3063\u3064\u304f\u300d\u3068\u306f\u9650\u3089\u306a\u3044\u7406\u7531\"><\/p>\n<h1 id=\"68cm\">\u30cf\u30ef\u30a4\u306f\u65e5\u672c\u306b\u8fd1\u3065\u3044\u3066\u3044\u308b\uff1f \u2014 \u5e746\u301c8cm\u3092\u5b9f\u969b\u306b\u6e2c\u3063\u305f\u96fb\u6ce2\u671b\u9060\u93e1\u3068\u3001\u300c\u3044\u3064\u304b\u304f\u3063\u3064\u304f\u300d\u3068\u306f\u9650\u3089\u306a\u3044\u7406\u7531<\/h1>\n<p><strong>\u8fd1\u3065\u3044\u3066\u3044\u308b\u306e\u306f\u672c\u5f53\u3067\u3059\u3002<\/strong> \u30cf\u30ef\u30a4\u304c\u4e57\u308b\u592a\u5e73\u6d0b\u30d7\u30ec\u30fc\u30c8\u306f\u5e746\u301c8cm\u306e\u901f\u3055\u3067\u5317\u897f\u3078\u52d5\u3044\u3066\u3044\u3066\u3001\u65e5\u672c\u3068\u306e\u8ddd\u96e2\u306f\u7e2e\u307f\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3082\u3053\u308c\u306f\u63a8\u6e2c\u3067\u306f\u306a\u304f\u30011980\u5e74\u4ee3\u306e\u65e5\u7c73\u5171\u540c\u306eVLBI\u89b3\u6e2c\u304c\u5b9f\u969b\u306b\u6e2c\u3063\u305f\u5024\u3067\u3059\u3002\u305f\u3060\u3057\u300c\u3044\u3064\u304b\u304f\u3063\u3064\u304f\u300d\u304b\u3068\u3044\u3046\u3068\u3001\u305d\u3046\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u9593\u306e\u6d77\u5e95\u304c\u6d77\u6e9d\u3067\u5148\u306b\u6c88\u307f\u8fbc\u3093\u3067\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002<\/p>\n<h2 id=\"cm\">\u300c\u5e74\u306b\u6570cm\u8fd1\u3065\u3044\u3066\u3044\u308b\u300d\u306f\u8ab0\u304c\u6e2c\u3063\u305f\u306e\u304b<\/h2>\n<p>\u30d7\u30ec\u30fc\u30c8\u304c\u52d5\u3044\u3066\u3044\u308b\u3053\u3068\u81ea\u4f53\u306f\u30011960\u5e74\u4ee3\u306b\u30d7\u30ec\u30fc\u30c8\u30c6\u30af\u30c8\u30cb\u30af\u30b9\u3068\u3057\u3066\u7406\u8ad6\u7684\u306b\u6574\u7406\u3055\u308c\u307e\u3057\u305f\u3002\u3067\u3059\u304c\u300c\u7406\u8ad6\u3068\u3057\u3066\u6b63\u3057\u305d\u3046\u300d\u3068\u300c\u5b9f\u969b\u306b\u6e2c\u3063\u3066\u78ba\u304b\u3081\u305f\u300d\u306f\u5225\u306e\u8a71\u3067\u3059\u3002<\/p>\n<p>\u65e5\u672c\u3067\u305d\u308c\u3092\u6e2c\u3063\u305f\u306e\u304c\u3001<strong>VLBI\uff08\u8d85\u9577\u57fa\u7dda\u96fb\u6ce2\u5e72\u6e09\u6cd5\uff09<\/strong>\u3067\u3057\u305f\u3002\u56fd\u571f\u5730\u7406\u9662\u304c\u307e\u3068\u3081\u3066\u3044\u308bVLBI\u306e\u5e74\u8868\u306b\u306f\u3001\u3053\u3046\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\n\u662d\u548c60\u5e7411\u6708\u3000\u96fb\u6ce2\u7814\u7a76\u6240\u304c\u65e5\u7c73VLBI\u5b9f\u9a13\u306b\u3088\u308a\u30d7\u30ec\u30fc\u30c8\u30c6\u30af\u30c8\u30cb\u30af\u30b9\u7406\u8ad6\u3092\u691c\u8a3c\uff08\u30cf\u30ef\u30a4\u3001\u30de\u30fc\u30b7\u30e3\u30eb\u8af8\u5cf6\u304c\u5e74\u306b\u6570cm\u65e5\u672c\u306b\u63a5\u8fd1\uff09\n<\/p><\/blockquote>\n<p>1985\u5e7411\u6708\u3067\u3059\u3002\u8328\u57ce\u770c\u9e7f\u5d8b\u5e02\u306b\u3042\u3063\u305f\u9e7f\u5cf626m\u30a2\u30f3\u30c6\u30ca\uff081968\u5e74\u5b8c\u6210\u30011992\u5e74\u306b\u56fd\u571f\u5730\u7406\u9662\u3078\u79fb\u7ba1\u30012003\u5e74\u89e3\u4f53\uff09\u3068\u3001\u30cf\u30ef\u30a4\u30fb\u30ab\u30a6\u30a2\u30a4\u5cf6\u306e\u30b3\u30ad\u30fc\u30d1\u30fc\u30af\u89b3\u6e2c\u5c40\u306a\u3069\u3092\u7d50\u3093\u3060\u89b3\u6e2c\u3067\u3057\u305f\u3002<strong>\u300c\u8fd1\u3065\u3044\u3066\u3044\u308b\u300d\u306f\u3001\u5730\u7403\u306e\u88cf\u5074\u306e\u7406\u8ad6\u3067\u306f\u306a\u304f\u3001\u65e5\u672c\u306e\u8a2d\u5099\u304c\u81ea\u5206\u3067\u6e2c\u3063\u305f\u7d50\u679c<\/strong>\u3068\u3057\u3066\u51fa\u3066\u304d\u305f\u6570\u5b57\u3067\u3059\u3002<\/p>\n<p>\u56fd\u571f\u5730\u7406\u9662\u6642\u5831\u306e\u300c\u3064\u304f\u3070VLBI\u89b3\u6e2c\u5c40 \u305d\u306e\u529f\u7e3e\u306b\u3064\u3044\u3066\u300d\u3082\u3001VLBI\u306e\u5c0e\u5165\u76ee\u7684\u3092\u306f\u3063\u304d\u308a\u66f8\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\n\u56fd\u571f\u5730\u7406\u9662\u306f\uff0c\u30d7\u30ec\u30fc\u30c8\u904b\u52d5\u306e\u691c\u51fa\uff0c\u6d77\u9762\u5909\u52d5\u306e\u76e3\u8996\u7b49\u3092\u76ee\u7684\u3068\u3057\u3066\uff0c1980 \u5e74\u4ee3\u304b\u3089\u76f4\u5f84 5 m \u306e\u53ef\u642c\u578b\u30a2\u30f3\u30c6\u30ca\u53ca\u3073\u9e7f\u5cf6 26 m \u30a2\u30f3\u30c6\u30ca\u3092\u4f7f\u7528\u3057\u3066 VLBI \u89b3\u6e2c\u3092\u958b\u59cb\u3057\u305f\uff0e\n<\/p><\/blockquote>\n<p>\u3064\u307e\u308a\u3001\u30d7\u30ec\u30fc\u30c8\u904b\u52d5\u3092\u6e2c\u308b\u3053\u3068\u306f\u526f\u7523\u7269\u3067\u306f\u306a\u304f\u3001\u6700\u521d\u304b\u3089\u306e\u76ee\u7684\u3067\u3057\u305f\u3002<\/p>\n<h2 id=\"6000kmmm\">\u306a\u305c6,000km\u5148\u306e\u30a2\u30f3\u30c6\u30ca\u3068\u306e\u8ddd\u96e2\u304c\u6570mm\u3067\u6e2c\u308c\u308b\u306e\u304b<\/h2>\n<p>VLBI\u306e\u539f\u7406\u306f\u3001\u73fe\u5834\u3067RTK\u3092\u6271\u3063\u3066\u3044\u308b\u4eba\u307b\u3069\u8151\u306b\u843d\u3061\u308b\u3068\u601d\u3044\u307e\u3059\u3002<strong>\u3084\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u300c\u9060\u304f\u306e\u96fb\u6ce2\u6e90\u304b\u3089\u306e\u5230\u9054\u6642\u523b\u306e\u5dee\u3092\u6e2c\u308b\u300d<\/strong>\u3001\u305d\u308c\u3060\u3051\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u6570\u5341\u5104\u5149\u5e74\u304b\u306a\u305f\u306e\u30af\u30a7\u30fc\u30b5\u30fc\u304c\u653e\u3063\u305f\u96fb\u6ce2\u3092\u3001\u96e2\u308c\u305f\u8907\u6570\u306e\u30d1\u30e9\u30dc\u30e9\u30a2\u30f3\u30c6\u30ca\u3067\u540c\u6642\u306b\u53d7\u3051\u308b<\/li>\n<li>\u30a2\u30f3\u30c6\u30ca\u306e\u4f4d\u7f6e\u304c\u9055\u3046\u3076\u3093\u3001\u5230\u9054\u6642\u523b\u304c\u308f\u305a\u304b\u306b\uff080.02\u79d2\u4ee5\u4e0b\uff09\u305a\u308c\u308b<\/li>\n<li>\u539f\u5b50\u6642\u8a08\u3067\u305d\u306e<strong>\u9045\u5ef6\u6642\u9593<\/strong>\u3092\u6e2c\u308b<\/li>\n<li>\u9045\u5ef6\u6642\u9593\u306b\u5149\u901f\u3092\u639b\u3051\u3001\u5929\u4f53\u306e\u65b9\u5411\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u30a2\u30f3\u30c6\u30ca\u9593\u306e\u8ddd\u96e2\u304c\u51fa\u308b<\/li>\n<li>\u3053\u308c\u3092\u591a\u6570\u306e\u5929\u4f53\u306b\u3064\u3044\u3066\u7e70\u308a\u8fd4\u3057\u3001\u4f4d\u7f6e\u95a2\u4fc2\u3092\u6c7a\u3081\u308b<\/li>\n<\/ol>\n<p>\u56fd\u571f\u5730\u7406\u9662\u306e\u8aac\u660e\u306b\u3088\u308c\u3070\u3001\u3053\u306e\u65b9\u6cd5\u3067<strong>\u6570\u5343km\u96e2\u308c\u305f\u30a2\u30f3\u30c6\u30ca\u9593\u306e\u8ddd\u96e2\u3092\u308f\u305a\u304b\u6570mm\u306e\u8aa4\u5dee\u3067\u6e2c\u308c\u307e\u3059<\/strong>\u3002<\/p>\n<p>RTK\u306e\u76f8\u5bfe\u6e2c\u4f4d\u3068\u8003\u3048\u65b9\u306f\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u3002\u9055\u3046\u306e\u306f\u3001\u57fa\u6e96\u306b\u3057\u3066\u3044\u308b\u306e\u304c\u9ad8\u5ea62\u4e07km\u306e\u4eba\u5de5\u885b\u661f\u3067\u306f\u306a\u304f\u3001\u4e8b\u5b9f\u4e0a\u52d5\u304b\u306a\u3044\uff08\u3088\u3046\u306b\u898b\u3048\u308b\uff09\u30af\u30a7\u30fc\u30b5\u30fc\u3060\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u57fa\u6e96\u304c\u52d5\u304b\u306a\u3044\u306e\u3067\u3001<strong>\u30a2\u30f3\u30c6\u30ca\u306e\u5074\u304c\u52d5\u3044\u305f\u3053\u3068\u3092\u7591\u3046\u4f59\u5730\u306a\u304f\u793a\u305b\u308b<\/strong>\u2014\u2014\u3060\u304b\u3089\u30d7\u30ec\u30fc\u30c8\u904b\u52d5\u306e\u691c\u8a3c\u306b\u4f7f\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u89b3\u6e2c\u5c40\u306f\u305d\u306e\u5f8c\u3001\u9e7f\u5cf626m \u2192 \u3064\u304f\u307032m\uff081998\u5e74\u5b8c\u6210\u30012016\u5e74\u904b\u7528\u7d42\u4e86\u30012017\u5e74\u89e3\u4f53\uff09\u2192 \u77f3\u5ca113.2m\uff082014\u5e74\u5b8c\u6210\u30012016\u5e74\u672c\u683c\u904b\u7528\uff09\u3068\u5f15\u304d\u7d99\u304c\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"6200km-8cm-7800\">6,200km \u00f7 \u5e748cm \uff1d \u7d047,800\u4e07\u5e74<\/h2>\n<p>\u3067\u306f\u3001\u3044\u3064\u7740\u304f\u306e\u304b\u3002\u5730\u7403\u3092\u534a\u5f846,371km\u306e\u7403\u3068\u307f\u306a\u3057\u3066\u5927\u5186\u8ddd\u96e2\u3092\u8a08\u7b97\u3059\u308b\u3068\u3001\u6771\u4eac\uff08\u5317\u7def35.681\u00b0\u30fb\u6771\u7d4c139.767\u00b0\uff09\u3068\u30db\u30ce\u30eb\u30eb\uff08\u5317\u7def21.307\u00b0\u30fb\u897f\u7d4c157.858\u00b0\uff09\u306e\u9593\u306f<strong>\u7d046,200km<\/strong>\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u79fb\u52d5\u901f\u5ea6<\/th>\n<th>6,200km\u3092\u8a70\u3081\u308b\u306e\u306b\u304b\u304b\u308b\u6642\u9593<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5e746cm<\/td>\n<td>\u7d041\u5104300\u4e07\u5e74<\/td>\n<\/tr>\n<tr>\n<td>\u5e747cm<\/td>\n<td>\u7d048,900\u4e07\u5e74<\/td>\n<\/tr>\n<tr>\n<td>\u5e748cm<\/td>\n<td>\u7d047,800\u4e07\u5e74<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u300c8,000\u4e07\u5e74\u5f8c\u306b\u30cf\u30ef\u30a4\u3068\u65e5\u672c\u304c\u304f\u3063\u3064\u304f\u300d\u3068\u3044\u3046\u8a00\u3044\u65b9\u3092\u3088\u304f\u898b\u304b\u3051\u307e\u3059\u304c\u3001\u305d\u306e\u6839\u62e0\u306f\u3053\u306e\u5272\u308a\u7b97\u3067\u3059\u3002\u6841\u3068\u3057\u3066\u5927\u304d\u304f\u5916\u308c\u3066\u306f\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u8eab\u8fd1\u306a\u6570\u5b57\u306b\u843d\u3068\u3059\u3068\u3001<strong>\u5e746\u301c8cm\u306f100\u5e74\u30676\u301c8m<\/strong>\u3002\u4e00\u751f\u306e\u3046\u3061\u306b\u4eba\u306e\u80cc\u4e08\u306e\u6570\u500d\u3076\u3093\u8fd1\u3065\u304f\u3001\u3068\u3044\u3046\u901f\u3055\u3067\u3059\u3002\u6e2c\u91cf\u306e\u76ee\u304b\u3089\u898b\u308b\u3068\u3001\u3053\u308c\u306f\u7121\u8996\u3067\u304d\u308b\u91cf\u3067\u306f\u307e\u3063\u305f\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2 id=\"_1\">\u305d\u308c\u3067\u3082\u300c\u304f\u3063\u3064\u304f\u300d\u3068\u306f\u9650\u3089\u306a\u3044 \u2014 \u30cf\u30ef\u30a4\u306e\u300c\u5148\u8f29\u300d\u306f\u3082\u3046\u6c88\u307f\u8fbc\u3093\u3067\u3044\u308b<\/h2>\n<p>\u3053\u3053\u304b\u3089\u304c\u672c\u984c\u3067\u3059\u3002\u4e0a\u306e\u5272\u308a\u7b97\u306b\u306f\u3001<strong>\u6d77\u5e95\u304c\u305d\u306e\u307e\u307e\u6b8b\u308a\u7d9a\u3051\u308b<\/strong>\u3068\u3044\u3046\u524d\u63d0\u304c\u96a0\u308c\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u6b8b\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u592a\u5e73\u6d0b\u30d7\u30ec\u30fc\u30c8\u306f\u65e5\u672c\u5217\u5cf6\u306e\u6771\u5074\u3067\u3001\u65e5\u672c\u6d77\u6e9d\u30fb\u5343\u5cf6\u6d77\u6e9d\u306b\u6c88\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<strong>\u8fd1\u3065\u3044\u3066\u304f\u308b\u6d77\u5e95\u306f\u3001\u65e5\u672c\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u6d77\u6e9d\u3078\u6f5c\u3063\u3066\u3044\u304f<\/strong>\u306e\u3067\u3059\u3002\u30d9\u30eb\u30c8\u30b3\u30f3\u30d9\u30a2\u306e\u4e0a\u3092\u6b69\u3044\u3066\u304f\u308b\u4eba\u304c\u3001\u7aef\u3067\u5e8a\u4e0b\u3078\u5438\u3044\u8fbc\u307e\u308c\u3066\u3044\u304f\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3082\u3053\u308c\u306f\u4eee\u5b9a\u306e\u8a71\u3067\u306f\u306a\u304f\u3001<strong>\u3059\u3067\u306b\u8d77\u304d\u3066\u3044\u308b\u3068\u3053\u308d\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/strong>\u3002<\/p>\n<p>\u30cf\u30ef\u30a4\u8af8\u5cf6\u304b\u3089\u5317\u3078\u3001\u592a\u5e73\u6d0b\u306e\u6d77\u5e95\u306b\u306f\u706b\u5c71\u5cf6\u306e\u8de1\u304c\u4e00\u5217\u306b\u4e26\u3093\u3067\u3044\u307e\u3059\u3002<strong>\u5929\u7687\u6d77\u5c71\u5217<\/strong>\u3067\u3059\u3002\u30cf\u30ef\u30a4\u306e\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u304c\u4f5c\u3063\u305f\u300c\u30cf\u30ef\u30a4\u306e\u5148\u8f29\u305f\u3061\u300d\u3067\u3001\u5317\u3078\u884c\u304f\u307b\u3069\u53e4\u304f\u3001\u6c88\u3093\u3067\u6d77\u5c71\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u3053\u306e\u5217\u306e<strong>\u5317\u7aef\u306f\u3001\u30ab\u30e0\u30c1\u30e3\u30c4\u30ab\u534a\u5cf6\u6c96\u306e\u5343\u5cf6\u6d77\u6e9d\u306b\u9054\u3057\u3066\u3044\u3066\u3001\u592a\u5e73\u6d0b\u30d7\u30ec\u30fc\u30c8\u3068\u3068\u3082\u306b\u6c88\u307f\u8fbc\u307f\u59cb\u3081\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u300c\u30cf\u30ef\u30a4\u304c\u65e5\u672c\u306e\u65b9\u3078\u904b\u3070\u308c\u3066\u3044\u304f\u300d\u306e\u7d50\u672b\u306f\u3001\u3059\u3067\u306b\u5217\u306e\u5148\u982d\u3067\u9032\u884c\u4e2d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u6d77\u5c71\u304c\u6c88\u307f\u8fbc\u3080\u3068\u3001\u305d\u306e\u4e0a\u306e\u706b\u5c71\u6d3b\u52d5\u3084\u5730\u9707\u306e\u8d77\u304d\u65b9\u306b\u3082\u5f71\u97ff\u304c\u51fa\u308b\u3053\u3068\u304c\u3001JAMSTEC\u3068\u6771\u4eac\u5de5\u696d\u5927\u5b66\u306e\u7814\u7a76\u3067\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5217\u306f\u9014\u4e2d\u3067\u5411\u304d\u304c\u6298\u308c\u66f2\u304c\u3063\u3066\u304a\u308a\u3001\u592a\u5e73\u6d0b\u30d7\u30ec\u30fc\u30c8\u306e\u52d5\u304f\u5411\u304d\u304c\u6614\u3068\u4eca\u3067\u5909\u308f\u3063\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<strong>\u30d7\u30ec\u30fc\u30c8\u306e\u901f\u3055\u3082\u5411\u304d\u3082\u3001\u4f55\u5343\u4e07\u5e74\u3082\u4e00\u5b9a\u3060\u3068\u6c7a\u3081\u3064\u3051\u3089\u308c\u306a\u3044<\/strong>\u2014\u2014\u9577\u3044\u6642\u9593\u306e\u4e88\u6e2c\u306b\u300c\u5e748cm\u300d\u3092\u305d\u306e\u307e\u307e\u639b\u3051\u7b97\u3059\u308b\u3053\u3068\u306e\u9650\u754c\u306f\u3001\u3053\u3053\u306b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"gnss\">\u3044\u307e\u306f\u3001GNSS\u304c\u6bce\u65e5\u6e2c\u3063\u3066\u3044\u308b<\/h2>\n<p>VLBI\u304c\u300c\u52d5\u3044\u3066\u3044\u308b\u300d\u3053\u3068\u3092\u793a\u3057\u305f\u5f8c\u3001\u6e2c\u308a\u7d9a\u3051\u308b\u5f79\u5272\u306f\u4e3b\u306bGNSS\u3078\u79fb\u308a\u307e\u3057\u305f\u3002\u65e5\u672c\u56fd\u5185\u306b\u306f<strong>\u96fb\u5b50\u57fa\u6e96\u70b9\uff08GEONET\uff09<\/strong>\u304c\u5168\u56fd\u306b\u5c55\u958b\u3055\u308c\u3001\u6bce\u65e5\u305d\u306e\u5ea7\u6a19\u304c\u8a08\u7b97\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" style=\"width:70%;max-width:100%;height:auto;display:block;margin:1em auto;\" src=\"https:\/\/y42u.net\/tec001\/wp-content\/uploads\/2026\/09\/gde-fig-japan-basestations.jpeg\" alt=\"\u65e5\u672c\u5217\u5cf6\u306b\u5206\u5e03\u3059\u308b\u96fb\u5b50\u57fa\u6e96\u70b9\u3068\u3001\u305d\u308c\u3092\u3064\u306a\u3050\u57fa\u6e96\u70b9\u7db2\u306e\u6a21\u5f0f\u56f3\"><\/p>\n<p>VLBI\u306f\u73fe\u5728\u3082\u3001<strong>ITRF\uff08\u56fd\u969b\u5730\u7403\u57fa\u6e96\u5ea7\u6a19\u7cfb\uff09\u3068\u3044\u3046\u4e16\u754c\u5171\u901a\u306e\u3082\u306e\u3055\u3057\u3092\u4f5c\u308b\u5074<\/strong>\u3067\u50cd\u3044\u3066\u3044\u307e\u3059\u3002GNSS\u30fbSLR\u30fbDORIS\u3068\u7d71\u5408\u89e3\u6790\u3055\u308c\u3001\u305d\u306eITRF\u306e\u4e0a\u306b\u65e5\u672c\u306e\u6e2c\u5730\u6210\u679c\u304c\u4e57\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u73fe\u5834\u3067\u300c\u57fa\u6e96\u5c40\u306e\u5ea7\u6a19\u300d\u3068\u3057\u3066\u6253\u3061\u8fbc\u3093\u3067\u3044\u308b\u6570\u5b57\u306f\u3001\u3053\u306e\u9577\u3044\u9396\u306e\u672b\u7aef\u306b\u3042\u308a\u307e\u3059\u3002<strong>\u305d\u306e\u9396\u306e\u9014\u4e2d\u306b\u3001\u30cf\u30ef\u30a4\u307e\u3067\u306e\u8ddd\u96e2\u3092\u6e2c\u3063\u305f\u96fb\u6ce2\u671b\u9060\u93e1\u304c\u5165\u3063\u3066\u3044\u308b<\/strong>\u308f\u3051\u3067\u3059\u3002<\/p>\n<h2 id=\"_2\">\u73fe\u5834\u306e\u8a71\u306b\u623b\u3059\u3068\uff1a\u5ea7\u6a19\u306b\u306f\u300c\u3044\u3064\u306e\u5ea7\u6a19\u304b\u300d\u304c\u8981\u308b<\/h2>\n<p>\u5e746\u301c8cm\u3067\u52d5\u3044\u3066\u3044\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u306f\u3001\u5b9f\u52d9\u306b\u76f4\u63a5\u306f\u306d\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5ea7\u6a19\u306b\u306f\u5143\u671f\uff08\u3044\u3064\u306e\u6642\u70b9\u306e\u5ea7\u6a19\u304b\uff09\u304c\u5fc5\u8981<\/strong>\u306b\u306a\u308b\u3002\u52d5\u3044\u3066\u3044\u308b\u3082\u306e\u306b\u300c\u4f4d\u7f6e\u300d\u3060\u3051\u3092\u4e0e\u3048\u3066\u3082\u610f\u5473\u304c\u5b9a\u307e\u3089\u306a\u3044<\/li>\n<li><strong>\u30bb\u30df\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u88dc\u6b63<\/strong>\u306f\u3001\u3053\u306e\u5b9a\u5e38\u7684\u306a\u52d5\u304d\u3092\u5143\u671f\u3078\u623b\u3059\u305f\u3081\u306e\u4ed5\u7d44\u307f<\/li>\n<li>\u5730\u9707\u306e\u3088\u3046\u306a\u6025\u306a\u5909\u52d5\u306f\u3001PatchJGD \u306a\u3069\u306e\u5225\u67a0\u3067\u6271\u3046<\/li>\n<\/ul>\n<p>\u300c\u30cf\u30ef\u30a4\u304c\u8fd1\u3065\u3044\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u96d1\u5b66\u3068\u3001\u73fe\u5834\u3067\u6bce\u56de\u9078\u3093\u3067\u3044\u308b\u88dc\u6b63\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5e74\u5ea6\u306f\u3001<strong>\u540c\u3058\u73fe\u8c61\u306e\u9055\u3046\u898b\u3048\u65b9<\/strong>\u3067\u3059\u3002\u524d\u8005\u3092\u77e5\u3063\u3066\u3044\u308b\u3068\u3001\u5f8c\u8005\u304c\u300c\u6c7a\u307e\u308a\u3060\u304b\u3089\u3084\u308b\u4f5c\u696d\u300d\u3067\u306f\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 id=\"_3\">\u307e\u3068\u3081<\/h2>\n<ul>\n<li>\u30cf\u30ef\u30a4\u306f\u65e5\u672c\u306b\u8fd1\u3065\u3044\u3066\u3044\u308b\u3002<strong>\u592a\u5e73\u6d0b\u30d7\u30ec\u30fc\u30c8\u306f\u5e746\u301c8cm\u3067\u5317\u897f\u3078\u52d5\u3044\u3066\u3044\u308b<\/strong><\/li>\n<li>\u3053\u308c\u3092\u6e2c\u3063\u305f\u306e\u306f\u65e5\u7c73\u5171\u540c\u306eVLBI\u89b3\u6e2c\uff081985\u5e7411\u6708\u3001\u56fd\u571f\u5730\u7406\u9662\u306eVLBI\u5e74\u8868\u306b\u300c\u5e74\u306b\u6570cm\u65e5\u672c\u306b\u63a5\u8fd1\u300d\u3068\u8a18\u9332\uff09<\/li>\n<li>VLBI\u306f\u30af\u30a7\u30fc\u30b5\u30fc\u306e\u96fb\u6ce2\u306e\u5230\u9054\u6642\u523b\u5dee\u3092\u4f7f\u3044\u3001<strong>\u6570\u5343km\u96e2\u308c\u305f\u30a2\u30f3\u30c6\u30ca\u9593\u3092\u6570mm\u306e\u8aa4\u5dee\u3067\u6e2c\u308b<\/strong><\/li>\n<li>6,200km \u00f7 \u5e746\u301c8cm \uff1d <strong>\u7d047,800\u4e07\u301c1\u5104300\u4e07\u5e74<\/strong>\u3002\u305f\u3060\u3057\u3053\u308c\u306f\u6d77\u5e95\u304c\u6b8b\u308b\u524d\u63d0\u306e\u5358\u7d14\u8a08\u7b97<\/li>\n<li>\u5b9f\u969b\u306b\u306f<strong>\u9593\u306e\u6d77\u5e95\u304c\u6d77\u6e9d\u3067\u6c88\u307f\u8fbc\u3080<\/strong>\u3002\u5929\u7687\u6d77\u5c71\u5217\u306e\u5317\u7aef\u306f\u3059\u3067\u306b\u5343\u5cf6\u6d77\u6e9d\u3078\u6f5c\u308a\u59cb\u3081\u3066\u3044\u308b<\/li>\n<li>\u3044\u307e\u306fGNSS\uff08\u96fb\u5b50\u57fa\u6e96\u70b9\uff09\u304c\u6bce\u65e5\u6e2c\u308a\u3001VLBI\u306fITRF\u3092\u652f\u3048\u308b\u5074\u306b\u56de\u3063\u3066\u3044\u308b<\/li>\n<li>\u3053\u306e\u300c\u5e74\u6570cm\u300d\u304c\u3001\u5143\u671f\u30fb\u30bb\u30df\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u88dc\u6b63\u3068\u3044\u3046\u73fe\u5834\u306e\u624b\u9806\u306e\u6839\u62e0\u306b\u306a\u3063\u3066\u3044\u308b<\/li>\n<\/ul>\n<h3 id=\"_4\">\u51fa\u5178<\/h3>\n<ul>\n<li>VLBI\u3068\u306f \u2014 \u56fd\u571f\u5730\u7406\u9662: https:\/\/www.gsi.go.jp\/uchusokuchi\/vlbi-about.html<\/li>\n<li>\u6885\u4e95\u8fea\u5b50\u307b\u304b\u300c\u3064\u304f\u3070VLBI\u89b3\u6e2c\u5c40 \u305d\u306e\u529f\u7e3e\u306b\u3064\u3044\u3066\u300d\u56fd\u571f\u5730\u7406\u9662\u6642\u5831 2017 No.129: https:\/\/www.gsi.go.jp\/common\/000194080.pdf<\/li>\n<li>\u77f3\u5ca1\u6e2c\u5730\u89b3\u6e2c\u5c40 \u2014 \u56fd\u571f\u5730\u7406\u9662: https:\/\/www.gsi.go.jp\/uchusokuchi\/vlbi-igos.html<\/li>\n<li>\u30d7\u30ec\u30fc\u30c8\u30c6\u30af\u30c8\u30cb\u30af\u30b9 \u2014 \u9632\u707d\u79d1\u5b66\u6280\u8853\u7814\u7a76\u6240 Hi-net: https:\/\/www.hinet.bosai.go.jp\/about_earthquake\/sec4.1.html<\/li>\n<li>\u6c88\u307f\u8fbc\u3093\u3060\u6d77\u5c71\u304c\u5f15\u304d\u8d77\u3053\u3057\u305f\u4e88\u671f\u305b\u306c\u706b\u5c71\u6d3b\u52d5 \u2014 JAMSTEC\u30fb\u6771\u4eac\u5de5\u696d\u5927\u5b66 \u30d7\u30ec\u30b9\u30ea\u30ea\u30fc\u30b9\uff082017-09-14\uff09: https:\/\/www.jamstec.go.jp\/j\/about\/press_release\/archive\/2017\/20170914_2.pdf<\/li>\n<\/ul>\n<p><strong>\u672c\u8a18\u4e8b\u3067\u8a08\u7b97\u3057\u305f\u5024<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u5024<\/th>\n<th>\u6839\u62e0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6771\u4eac\u301c\u30db\u30ce\u30eb\u30eb \u7d046,200km<\/td>\n<td>\u534a\u5f846,371km\u306e\u7403\u3068\u3057\u3066\u5927\u5186\u8ddd\u96e2\u3092 python3 \u3067\u8a08\u7b97\uff0835.681236, 139.767125 \/ 21.3069, \u2212157.8583\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u7d047,800\u4e07\u5e74\uff08\u5e748cm\uff09<\/td>\n<td>6,200,000 m \u00f7 0.08 m\/\u5e74<\/td>\n<\/tr>\n<tr>\n<td>\u7d041\u5104300\u4e07\u5e74\uff08\u5e746cm\uff09<\/td>\n<td>6,200,000 m \u00f7 0.06 m\/\u5e74<\/td>\n<\/tr>\n<tr>\n<td>100\u5e74\u30676\u301c8m<\/td>\n<td>\u5e746\u301c8cm \u00d7 100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u79fb\u52d5\u901f\u5ea6\u306e\u5e746\u301c8cm\u306f\u89b3\u6e2c\u3068\u30e2\u30c7\u30eb\u3067\u5e45\u306e\u3042\u308b\u5024\u3067\u3059\u3002\u672c\u8a18\u4e8b\u306f\u65e5\u672c\u4ed8\u8fd1\u306e\u592a\u5e73\u6d0b\u30d7\u30ec\u30fc\u30c8\u306b\u3064\u3044\u3066\u4e00\u822c\u306b\u793a\u3055\u308c\u308b\u7bc4\u56f2\u3092\u4f7f\u3044\u3001\u65ad\u5b9a\u3092\u907f\u3051\u3066\u5e45\u306e\u307e\u307e\u6271\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"_5\">\u6b21\u306b\u78ba\u8a8d\u3059\u308b<\/h2>\n<ul>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/09\/01\/japan-arc-sea-of-japan-opening-rotation-field\/\">\u65e5\u672c\u5217\u5cf6\u306f\u3044\u3064\u5927\u9678\u304b\u3089\u96e2\u308c\u305f\uff1f<\/a> \u2014 \u540c\u3058\u300c\u30d7\u30ec\u30fc\u30c8\u3067\u904b\u3070\u308c\u308b\u300d\u8a71\u3092\u3001\u65e5\u672c\u5217\u5cf6\u305d\u306e\u3082\u306e\u306b\u3064\u3044\u3066\u8aad\u3081\u307e\u3059<\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/09\/07\/seafloor-geodesy-gnss-acoustic-field\/\">\u6d77\u306e\u5e95\u3067GNSS\u306f\u4f7f\u3048\u308b\u306e\u304b\uff1f<\/a> \u2014 \u6c88\u307f\u8fbc\u3080\u5074\u306e\u6d77\u5e95\u304c\u3069\u308c\u3060\u3051\u52d5\u3044\u3066\u3044\u308b\u304b\u3092\u3001\u97f3\u6ce2\u3067\u6e2c\u308b\u8a71\u3067\u3059<\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/06\/29\/geonet-resilience-rtk-field\/\">\u96fb\u5b50\u57fa\u6e96\u70b9\u7db2\uff08GEONET\uff09\u306e\u5f37\u9771\u5316<\/a> \u2014 \u3044\u307e\u6bce\u65e5\u30d7\u30ec\u30fc\u30c8\u904b\u52d5\u3092\u6e2c\u3063\u3066\u3044\u308b\u8a2d\u5099\u306e\u4e2d\u8eab\u304c\u5206\u304b\u308a\u307e\u3059<\/li>\n<li><a href=\"https:\/\/gmp.y42u.net\/2026\/06\/24\/itrf-global-reference-frame-learning\/\">\u4e16\u754c\u6e2c\u5730\u7cfbITRF\u3068\u306f\uff08GeoPrism JP\uff09<\/a> \u2014 VLBI\u304c\u652f\u3048\u3066\u3044\u308b\u300c\u4e16\u754c\u5171\u901a\u306e\u3082\u306e\u3055\u3057\u300d\u3092\u56f3\u3067\u78ba\u304b\u3081\u3089\u308c\u307e\u3059<\/li>\n<li>\u66f8\u7c4d\u3067\u307e\u3068\u3081\u3066\u5b66\u3076: <a href=\"https:\/\/www.amazon.co.jp\/dp\/B0HF4SJC1L\">\u300e\u65e5\u672c\u306e\u6e2c\u5730\u7cfbQ&amp;A\u300f\u7b2c7\u7ae0\u300c\u5730\u9707\u3068\u52d5\u304f\u65e5\u672c\u5217\u5cf6\u300d<\/a>\uff08Kindle Unlimited\u5bfe\u5fdc\uff09<\/li>\n<\/ul>\n<hr \/>\n<blockquote><p>\n<strong>\u958b\u767a\u8005\u3088\u308a<\/strong>: \u30a2\u30d7\u30ea\u30fbKindle\u672c\u30fb\u516c\u958b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e00\u89a7\u306f <a href=\"https:\/\/github.com\/amru195704\">GitHub: amru195704<\/a> \u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002\n<\/p><\/blockquote>\n<hr \/>\n<blockquote><p>\n<strong>\u304a\u9858\u3044<\/strong><br \/>\n\u672c\u8a18\u4e8b\u306e\u60c5\u5831\u306f\u53c2\u8003\u76ee\u7684\u3067\u63b2\u8f09\u3057\u3066\u304a\u308a\u3001\u6b63\u78ba\u6027\u30fb\u5b8c\u5168\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8aa4\u8a18\u30fb\u4e0d\u6b63\u78ba\u306a\u60c5\u5831\u304c\u3054\u3056\u3044\u307e\u3057\u305f\u3089\u3001\u30b3\u30e1\u30f3\u30c8\u6b04\u3088\u308a\u3054\u6307\u6458\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u78ba\u8a8d\u306e\u3046\u3048\u4fee\u6b63\u3044\u305f\u3057\u307e\u3059\u3002\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u30cf\u30ef\u30a4\u306f\u65e5\u672c\u306b\u8fd1\u3065\u3044\u3066\u3044\u308b\uff1f \u2014 \u5e746\u301c8cm\u3092\u5b9f\u969b\u306b\u6e2c\u3063\u305f\u96fb\u6ce2\u671b\u9060\u93e1\u3068\u3001\u300c\u3044\u3064\u304b\u304f\u3063\u3064\u304f\u300d\u3068\u306f\u9650\u3089\u306a\u3044\u7406\u7531 \u8fd1\u3065\u3044\u3066\u3044\u308b\u306e\u306f\u672c\u5f53\u3067\u3059\u3002 \u30cf\u30ef\u30a4\u304c\u4e57\u308b\u592a\u5e73\u6d0b\u30d7\u30ec\u30fc\u30c8\u306f\u5e746\u301c8cm\u306e\u901f\u3055\u3067\u5317\u897f\u3078\u52d5\u3044\u3066\u3044\u3066\u3001\u65e5\u672c\u3068\u306e\u8ddd\u96e2\u306f\u7e2e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4044,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[16,464,587,589,461,176,590,586,588,119],"class_list":["post-4045","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-gnss","tag-itrf","tag-vlbi","tag-589","tag-461","tag-176","tag-590","tag-586","tag-588","tag-119"],"veu_head_title_object":{"title":"","add_site_title":""},"jetpack_publicize_connections":[],"jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/y42u.net\/tec001\/wp-content\/uploads\/2026\/09\/gde-hawaii-approaching-japan-plate-motion-vlbi-field.jpeg","_links":{"self":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts\/4045","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/comments?post=4045"}],"version-history":[{"count":1,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts\/4045\/revisions"}],"predecessor-version":[{"id":4086,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts\/4045\/revisions\/4086"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/media\/4044"}],"wp:attachment":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/media?parent=4045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/categories?post=4045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/tags?post=4045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}