{"id":4026,"date":"2026-09-15T09:10:52","date_gmt":"2026-09-15T00:10:52","guid":{"rendered":"https:\/\/y42u.net\/tec001\/2026\/09\/15\/farthest-point-from-sea-japan-saku-field\/"},"modified":"2026-09-15T09:10:52","modified_gmt":"2026-09-15T00:10:52","slug":"farthest-point-from-sea-japan-saku-field","status":"publish","type":"post","link":"https:\/\/y42u.net\/tec001\/2026\/09\/15\/farthest-point-from-sea-japan-saku-field\/","title":{"rendered":"\u65e5\u672c\u3067\u3044\u3061\u3070\u3093\u6d77\u304b\u3089\u9060\u3044\u5834\u6240\u306f\u3069\u3053\uff1f \u2014 \u9577\u91ce\u770c\u4f50\u4e45\u5e02\u306e\u5c71\u4e2d\u3068\u30014\u65b9\u5411\u306e\u6d77\u5cb8\u7dda\u307e\u3067\u304c13m\u3057\u304b\u9055\u308f\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-farthest-point-from-sea-japan-saku-field.jpeg\" alt=\"\u65e5\u672c\u3067\u3044\u3061\u3070\u3093\u6d77\u304b\u3089\u9060\u3044\u5834\u6240\u306f\u3069\u3053\uff1f \u2014 \u9577\u91ce\u770c\u4f50\u4e45\u5e02\u306e\u5c71\u4e2d\u3068\u30014\u65b9\u5411\u306e\u6d77\u5cb8\u7dda\u307e\u3067\u304c13m\u3057\u304b\u9055\u308f\u306a\u3044\u7406\u7531\"><\/p>\n<h1 id=\"413m\">\u65e5\u672c\u3067\u3044\u3061\u3070\u3093\u6d77\u304b\u3089\u9060\u3044\u5834\u6240\u306f\u3069\u3053\uff1f \u2014 \u9577\u91ce\u770c\u4f50\u4e45\u5e02\u306e\u5c71\u4e2d\u3068\u30014\u65b9\u5411\u306e\u6d77\u5cb8\u7dda\u307e\u3067\u304c13m\u3057\u304b\u9055\u308f\u306a\u3044\u7406\u7531<\/h1>\n<p><strong>\u9577\u91ce\u770c\u4f50\u4e45\u5e02\u7530\u53e3\u5b57\u698a\u5c71209-1<\/strong>\u3001\u7fa4\u99ac\u770c\u5357\u7267\u6751\u3068\u306e\u770c\u5883\u8fd1\u304f\u3001\u6a19\u9ad8\u7d041,200m\u306e\u5c3e\u6839\u3067\u3059\u30021996\u5e74\u306b\u56fd\u571f\u5730\u7406\u9662\u306e\u8abf\u67fb\u3067\u7279\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002\u6d77\u5cb8\u7dda\u307e\u3067\u306f\u7d04115km\u3002\u9762\u767d\u3044\u306e\u306f\u305d\u306e\u5185\u8a33\u3067\u3001<strong>\u592a\u5e73\u6d0b\u50742\u304b\u6240\u30fb\u65e5\u672c\u6d77\u50742\u304b\u6240\u307e\u3067\u306e\u8ddd\u96e2\u304c\u3001114.853km\u304b\u3089114.866km\u306e\u7bc4\u56f2\u306b\u53ce\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u6700\u5927\u3067\u308213m\u3057\u304b\u9055\u3044\u307e\u305b\u3093\u3002<\/strong><\/p>\n<hr \/>\n<h2 id=\"_1\">\u304d\u3063\u304b\u3051\u306f\u3001\u590f\u4f11\u307f\u306e\u76f8\u8ac7\u4f1a\u306e\u8cea\u554f\u3060\u3063\u305f<\/h2>\n<p>1996\u5e74\uff08\u5e73\u62108\u5e74\uff09\u3001\u8328\u57ce\u770c\u3064\u304f\u3070\u5e02\u306e\u300c\u5730\u56f3\u3068\u6e2c\u91cf\u306e\u79d1\u5b66\u9928\u300d\u3067\u958b\u304b\u308c\u305f\u300c\u306a\u3093\u3067\u3082\u76f8\u8ac7\u30b3\u30fc\u30ca\u30fc\u590f\u4f11\u307f\u76f8\u8ac7\u4f1a\u300d\u3067\u3001\u7b51\u6ce2\u5927\u5b66\u306e\u5b66\u751f\u304c\u3053\u3046\u5c0b\u306d\u307e\u3057\u305f\u3002<\/p>\n<blockquote><p>\n\u6d77\u304b\u3089\u3082\u3063\u3068\u3082\u9060\u3044\u5730\u70b9\u306f\u3069\u3053\u3067\u3059\u304b\uff1f\n<\/p><\/blockquote>\n<p>\u3053\u306e\u8cea\u554f\u306b\u7b54\u3048\u308b\u305f\u3081\u306b\u56fd\u571f\u5730\u7406\u9662\u304c\u8abf\u67fb\u3092\u884c\u3044\u3001\u9577\u91ce\u770c\u4f50\u4e45\u5e02\u7530\u53e3\u5b57\u698a\u5c71209-1\u306e\u5730\u70b9\u304c\u300e\u6d77\u304b\u3089\u6700\u3082\u9060\u3044\u5730\u70b9\u300f\u3068\u3057\u3066\u7279\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u5834\u6240\u306f\u300c\u96e8\u5ddd\u30c0\u30e0\u300d\u306e\u5357\u6771\u7d042,200m\u306e\u5c3e\u6839\u8fd1\u304f\u3002\u5e02\u8857\u5730\u304b\u308910km\u3001\u6bd4\u9ad8500m\u306e\u5c71\u306e\u4e2d\u3067\u3059\u3002\u4f50\u4e45\u5e02\u306e\u6848\u5185\u306b\u3088\u308c\u3070\u3001\u770c\u905393\u53f7\u7dda\u3092\u7530\u53e3\u5ce0\u3078\u767b\u308a\u3001\u96e8\u5ddd\u30c0\u30e0\u3092\u901a\u904e\u3057\u305f\u5730\u70b9\u3092\u53f3\u6298\u3057\u305f\u6797\u9053\u304b\u3089\u5165\u308a\u3001\u6700\u7d42\u7684\u306b\u306f\u6ca2\u3092\u767b\u3063\u3066\u5230\u9054\u3057\u307e\u3059\u3002\u5468\u56f2\u306f\u96d1\u6728\u6797\u3067\u3001\u7279\u306b\u5c55\u671b\u304c\u826f\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<hr \/>\n<h2 id=\"4\">\u300c4\u65b9\u5411\u304c\u307b\u307c\u7b49\u8ddd\u96e2\u300d\u3068\u3044\u3046\u3001\u7b54\u3048\u306e\u5f62<\/h2>\n<p>\u3053\u306e\u5730\u70b9\u304b\u3089\u6700\u5bc4\u308a\u306e\u6d77\u5cb8\u7dda\u307e\u3067\u306e\u8ddd\u96e2\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u516c\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u5411<\/th>\n<th>\u6d77\u5cb8\u7dda\u306e\u5730\u70b9<\/th>\n<th style=\"text-align: right;\">\u8ddd\u96e2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5357\uff08\u592a\u5e73\u6d0b\uff09<\/td>\n<td>\u9759\u5ca1\u770c\u5bcc\u58eb\u5e02 \u7530\u5b50\u306e\u6d66\u6e2f<\/td>\n<td style=\"text-align: right;\"><strong>114.853 km<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u5317\uff08\u65e5\u672c\u6d77\uff09<\/td>\n<td>\u65b0\u6f5f\u770c\u4e0a\u8d8a\u5e02 \u76f4\u6c5f\u6d25<\/td>\n<td style=\"text-align: right;\"><strong>114.854 km<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u5357\u6771\uff08\u592a\u5e73\u6d0b\uff09<\/td>\n<td>\u795e\u5948\u5ddd\u770c\u5c0f\u7530\u539f\u5e02 \u56fd\u5e9c\u6d25<\/td>\n<td style=\"text-align: right;\"><strong>114.862 km<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u5317\u897f\uff08\u65e5\u672c\u6d77\uff09<\/td>\n<td>\u65b0\u6f5f\u770c\u7cf8\u9b5a\u5ddd\u5e02 \u68b6\u5c4b\u6577<\/td>\n<td style=\"text-align: right;\"><strong>114.866 km<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u6700\u77ed\uff08\u7530\u5b50\u306e\u6d66\u6e2f\uff09\u3068\u6700\u9577\uff08\u68b6\u5c4b\u6577\uff09\u306e\u5dee\u306f\u3001114.866 \u2212 114.853 = 0.013 km \uff1d 13m \u3067\u3059\u3002<\/strong><\/p>\n<p>\u3053\u3053\u304c\u3001\u3053\u306e\u554f\u984c\u306e\u672c\u8cea\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u300c\u6d77\u304b\u3089\u6700\u3082\u9060\u3044\u5730\u70b9\u300d\u306f\u3001<strong>\u3069\u308c\u304b1\u3064\u306e\u6d77\u5cb8\u7dda\u304b\u3089\u9060\u3044\u5834\u6240<\/strong>\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<strong>\u3069\u306e\u65b9\u5411\u306b\u9003\u3052\u3066\u3082\u540c\u3058\u304f\u3089\u3044\u9060\u3044\u5834\u6240<\/strong>\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u592a\u5e73\u6d0b\u5074\u306b\u3060\u3051\u9060\u3044\u5834\u6240\u306a\u3089\u3001\u65e5\u672c\u6d77\u5074\u3078\u5bc4\u308c\u3070\u3082\u3063\u3068\u9060\u304f\u306a\u308b<\/li>\n<li>\u65e5\u672c\u6d77\u5074\u306b\u3060\u3051\u9060\u3044\u5834\u6240\u306a\u3089\u3001\u592a\u5e73\u6d0b\u5074\u3078\u5bc4\u308c\u3070\u3082\u3063\u3068\u9060\u304f\u306a\u308b<\/li>\n<li><strong>\u3069\u3061\u3089\u3078\u52d5\u3044\u3066\u3082\u3001\u3069\u3053\u304b\u306e\u6d77\u304c\u8fd1\u3065\u3044\u3066\u3057\u307e\u3046\u70b9<\/strong>\u2014\u2014\u305d\u3053\u304c\u6700\u5927\u5024<\/li>\n<\/ul>\n<p>\u6570\u5b66\u7684\u306b\u306f\u300c\u6700\u3082\u8fd1\u3044\u6d77\u5cb8\u7dda\u307e\u3067\u306e\u8ddd\u96e2\u300d\u3068\u3044\u3046\u95a2\u6570\u306e\u6700\u5927\u5024\u3092\u63a2\u3059\u554f\u984c\u3067\u3001\u305d\u306e\u6700\u5927\u5024\u306f\u8907\u6570\u306e\u6d77\u5cb8\u7dda\u304c\u540c\u6642\u306b\u6700\u5bc4\u308a\u306b\u306a\u308b\u70b9\u3067\u9054\u6210\u3055\u308c\u307e\u3059\u3002115km\u3068\u3044\u3046\u8ddd\u96e2\u306b\u5bfe\u3057\u3066\u5dee\u304c13m\u3001<strong>\u76f8\u5bfe\u3067\u306f\u7d040.01%<\/strong>\u3002\u65e5\u672c\u5217\u5cf6\u306e\u3061\u3087\u3046\u3069\u771f\u3093\u4e2d\u3067\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3001\u3053\u306e\u6570\u5b57\u306b\u51fa\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u5f53\u7136\u306a\u304c\u3089\u3001\u3053\u306e\u5730\u70b9\u306f\u300c\u65e5\u672c\u306e\u4e2d\u5fc3\u300d\u3068\u3082\u300c\u91cd\u5fc3\u300d\u3068\u3082\u5225\u7269\u3067\u3059\u3002\u540c\u3058\u300c\u65e5\u672c\u306e\u307e\u3093\u306a\u304b\u300d\u3067\u3082\u3001<strong>\u4f55\u3092\u6e2c\u308b\u304b\u3067\u7b54\u3048\u304c\u5909\u308f\u308b<\/strong>\u2014\u2014<a href=\"https:\/\/gmp.y42u.net\/2026\/09\/01\/japan-center-population-centroid-135-meridian-learning\/\">\u4eba\u53e3\u91cd\u5fc3\u3068\u6771\u7d4c135\u5ea6\u306e\u8a71<\/a>\u3068\u540c\u3058\u69cb\u56f3\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"115km\">\u305d\u306e115km\u306f\u3001\u3069\u3046\u6e2c\u3063\u305f\u8ddd\u96e2\u306a\u306e\u304b<\/h2>\n<p>\u3053\u3053\u304b\u3089\u304c\u6e2c\u91cf\u5bc4\u308a\u306e\u8a71\u3067\u3059\u3002\u300c115km\u96e2\u308c\u3066\u3044\u308b\u300d\u3068\u8a00\u3046\u3068\u304d\u3001\u5b9f\u306f<strong>\u6e2c\u308a\u65b9\u3092\u5148\u306b\u6c7a\u3081\u306a\u3044\u3068\u6570\u5b57\u304c\u51fa\u307e\u305b\u3093\u3002<\/strong><\/p>\n<h3 id=\"_2\">\u76f4\u7dda\u3067\u306f\u306a\u304f\u3001\u7403\u9762\uff08\u6955\u5186\u4f53\u9762\uff09\u306b\u6cbf\u3063\u305f\u8ddd\u96e2<\/h3>\n<p>\u516c\u8868\u3055\u308c\u3066\u3044\u308b\u5024\u306f<strong>\u7403\u9762\u8ddd\u96e2<\/strong>\u3067\u3059\u3002\u5730\u7403\u3092\u7403\uff08\u3042\u308b\u3044\u306f\u56de\u8ee2\u6955\u5186\u4f53\uff09\u3068\u307f\u306a\u3057\u3001\u305d\u306e\u8868\u9762\u306b\u6cbf\u3063\u3066\u6e2c\u3063\u305f\u9577\u3055\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<p>115km\u3068\u3044\u3046\u8ddd\u96e2\u3060\u3068\u3001\u5730\u7403\u306e\u4e38\u307f\u304c\u6570\u5b57\u306b\u73fe\u308c\u307e\u3059\u3002<strong>\u5730\u9762\u3092\u8cab\u304f\u76f4\u7dda\uff08\u5f26\uff09\u3067\u6e2c\u308c\u3070\u3001\u7403\u9762\u306b\u6cbf\u3063\u305f\u8ddd\u96e2\u3088\u308a\u77ed\u304f\u306a\u308a\u307e\u3059\u3002<\/strong>\u534a\u5f846,371km\u306e\u7403\u3067115km\u306e\u5f27\u306b\u5bfe\u3059\u308b\u5f26\u3092\u8a08\u7b97\u3059\u308b\u3068\u7d04114.9984km\u3002\u5dee\u306f<strong>\u7d041.6m<\/strong>\u3067\u3059\u3002<\/p>\n<p>1.6m\u306f\u5c0f\u3055\u304f\u898b\u3048\u307e\u3059\u304c\u30014\u65b9\u5411\u306e\u5dee\u306f13m\u3067\u3057\u305f\u3002<strong>\u540c\u3058\u30aa\u30fc\u30c0\u30fc\u306e\u8a71\u3092\u3057\u3066\u3044\u308b<\/strong>\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u5b9f\u52d9\u3067\u306f\u3001\u7403\u9762\u8ddd\u96e2\u306e\u306a\u304b\u3067\u3082\u5f0f\u304c\u8907\u6570\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u7403\u3068\u3057\u3066\u6271\u3046\u304b\u3001<strong>\u56de\u8ee2\u6955\u5186\u4f53<\/strong>\u3068\u3057\u3066\u6271\u3046\u304b<\/li>\n<li>\u6955\u5186\u4f53\u3068\u3057\u3066\u6271\u3046\u5834\u5408\u3001Hubeny \u306e\u8fd1\u4f3c\u5f0f\u304b\u3001Vincenty \u304b\u3001Karney \u304b<\/li>\n<\/ul>\n<p>100km\u7d1a\u306e\u8ddd\u96e2\u3060\u3068\u3001\u7403\u8fd1\u4f3c\u3068\u6955\u5186\u4f53\u8a08\u7b97\u3067\u306f<strong>\u6570\u5341m\u301c\u6570\u767em\u306e\u5dee<\/strong>\u304c\u51fa\u307e\u3059\u3002\u3069\u306e\u5f0f\u3092\u4f7f\u3063\u305f\u304b\u3067\u7b54\u3048\u304c\u5909\u308f\u308b\u4e16\u754c\u3067\u3059\uff08<a href=\"https:\/\/gcpro.y42u.net\/2026\/07\/26\/distance-formula-hubeny-vincenty-karney\/\">\u8ddd\u96e2\u8a08\u7b97\u5f0f\u306e\u9055\u3044\u306f GeoConverter Pro \u5074\u306e\u8a18\u4e8b<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n<h3 id=\"_3\">\u6a19\u9ad8\u5dee\u306f\u5165\u3063\u3066\u3044\u306a\u3044<\/h3>\n<p>\u3082\u3046\u3072\u3068\u3064\u3002\u3053\u306e\u5730\u70b9\u306f\u6a19\u9ad8\u7d041,200m\u3001\u6d77\u5cb8\u7dda\u306f0m\u3067\u3059\u3002<strong>1,200m\u306e\u9ad8\u3055\u306e\u5dee\u306f\u3001115km\u306e\u6c34\u5e73\u8ddd\u96e2\u306b\u5bfe\u3057\u3066\u307b\u3068\u3093\u3069\u52b9\u304d\u307e\u305b\u3093\u3002<\/strong>\u4e09\u5e73\u65b9\u306e\u5b9a\u7406\u3067\u898b\u308b\u3068\u3001<\/p>\n<ul>\n<li>\u221a(115,000\u00b2 + 1,200\u00b2) \u2212 115,000 \u2252 <strong>6.3 m<\/strong><\/li>\n<\/ul>\n<p>\u3064\u307e\u308a\u659c\u8ddd\u96e2\u306b\u3057\u3066\u30826m\u7a0b\u5ea6\u3057\u304b\u4f38\u3073\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3053\u308c\u3082\u30014\u65b9\u5411\u306e\u5dee13m\u306e\u534a\u5206\u306b\u5c4a\u304f\u5927\u304d\u3055\u3067\u3059\u3002<strong>\u300c\u3069\u3053\u307e\u3067\u542b\u3081\u3066\u8ddd\u96e2\u3068\u547c\u3076\u304b\u300d\u3092\u6c7a\u3081\u306a\u3044\u3068\u300113m\u3068\u3044\u3046\u7d50\u8ad6\u306f\u5b88\u308c\u307e\u305b\u3093\u3002<\/strong><\/p>\n<h3 id=\"_4\">\u305d\u3082\u305d\u3082\u300c\u6d77\u5cb8\u7dda\u300d\u304c\u3069\u3053\u304b\u3082\u6c7a\u3081\u306a\u3044\u3068\u3044\u3051\u306a\u3044<\/h3>\n<p>\u4e00\u756a\u3084\u3063\u304b\u3044\u306a\u306e\u306f\u3053\u308c\u3067\u3059\u3002\u6d77\u9762\u306f\u6f6e\u306e\u6e80\u3061\u5f15\u304d\u3067\u52d5\u304d\u307e\u3059\u3002\u65e5\u672c\u306e\u5730\u56f3\u3067\u6d77\u5cb8\u7dda\u3068\u3057\u3066\u63cf\u304b\u308c\u308b\u306e\u306f<strong>\u6e80\u6f6e\u6642\u306e\u6d77\u9762\u3068\u9678\u5730\u306e\u5883<\/strong>\u3067\u3042\u308a\u3001\u5e72\u6f6e\u6642\u306b\u306f\u3082\u3063\u3068\u6c96\u307e\u3067\u9678\u304c\u73fe\u308c\u307e\u3059\u3002\u6e2f\u6e7e\u306e\u8b77\u5cb8\u3084\u57cb\u7acb\u3067\u3082\u7dda\u306f\u52d5\u304d\u307e\u3059\u3002<\/p>\n<p>\u300c\u3069\u306e\u7e2e\u5c3a\u306e\u5730\u56f3\u306e\u3001\u3069\u306e\u6642\u70b9\u306e\u6d77\u5cb8\u7dda\u304b\u300d\u2014\u2014\u3053\u3053\u304c\u63fa\u308c\u308b\u3068\u3001115km\u306e\u672b\u5c3e\u306f\u7c21\u5358\u306b\u52d5\u304d\u307e\u3059\u3002<a href=\"https:\/\/gmp.y42u.net\/2026\/09\/07\/japan-land-area-measurement-learning\/\">\u56fd\u571f\u9762\u7a4d\u306e\u6e2c\u308a\u65b9\u306e\u8a71<\/a>\u3067\u51fa\u3066\u304f\u308b\u554f\u984c\u3068\u3001\u307e\u3063\u305f\u304f\u540c\u3058\u69cb\u9020\u3067\u3059\u3002<\/p>\n<hr \/>\n<h2 id=\"1\">\u5c71\u306e\u4e2d\u306b\u30011\u7d1a\u516c\u5171\u57fa\u6e96\u70b9\u304c\u7acb\u3063\u3066\u3044\u308b<\/h2>\n<p>\u3053\u306e\u5730\u70b9\u306b\u306f<strong>1\u7d1a\u516c\u5171\u57fa\u6e96\u70b9<\/strong>\u304c\u8a2d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9577\u91ce\u770c\u516c\u5171\u5631\u8a17\u767b\u8a18\u571f\u5730\u5bb6\u5c4b\u8abf\u67fb\u58eb\u5354\u4f1a\u306e\u6e2c\u91cf\u306b\u57fa\u3065\u304f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u96d1\u5b66\u30b9\u30dd\u30c3\u30c8\u306b\u57fa\u6e96\u70b9\u3001\u3068\u3044\u3046\u306e\u306f\u5510\u7a81\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u52d9\u7684\u306b\u306f\u3053\u308c\u304c\u4e00\u756a\u307e\u3063\u3068\u3046\u306a\u89e3\u6c7a\u3067\u3059\u3002\u300c\u3053\u3053\u304c\u6700\u3082\u9060\u3044\u5730\u70b9\u3067\u3059\u300d\u3068\u8a00\u3044\u7d9a\u3051\u308b\u306b\u306f\u3001<strong>\u305d\u306e\u4f4d\u7f6e\u3092\u5f8c\u304b\u3089\u8ab0\u3067\u3082\u5fa9\u5143\u3067\u304d\u308b\u5f62\u3067\u6b8b\u3057\u3066\u304a\u304f<\/strong>\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6a19\u67f1\u3060\u3051\u3067\u306f\u3001\u5012\u308c\u305f\u308a\u52d5\u3044\u305f\u308a\u3057\u305f\u3068\u304d\u306b\u5143\u3078\u623b\u305b\u307e\u305b\u3093\u3002\u5ea7\u6a19\u304c\u4ed8\u3044\u305f\u57fa\u6e96\u70b9\u304c\u73fe\u5730\u306b\u3042\u308c\u3070\u3001\u6e2c\u308a\u76f4\u305b\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u5730\u8cea\u306e\u5074\u3067<a href=\"https:\/\/y42u.net\/tec001\/2026\/09\/14\/chibanian-gssp-geomagnetic-reversal-field\/\">\u30c1\u30d0\u30cb\u30a2\u30f3\u306eGSSP\u304c\u73fe\u5730\u306e1\u70b9\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b<\/a>\u306e\u3068\u540c\u3058\u767a\u60f3\u3067\u3059\u3002<strong>\u4e16\u754c\u3067\u4f7f\u3046\u5b9a\u7fa9\u3092\u3001\u73fe\u5730\u306e1\u70b9\u306b\u56fa\u5b9a\u3059\u308b\u3002<\/strong>\u57fa\u6e96\u70b9\u306e\u8003\u3048\u65b9\u305d\u306e\u3082\u306e\u3067\u3059\uff08\u57fa\u6e96\u70b9\u306e\u7d20\u6027\u3092\u305f\u3069\u308b\u624b\u9806\u306f<a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/16\/benchmark-point-record-lookup-field\/\">\u70b9\u306e\u8a18\u306e\u8abf\u3079\u65b9<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n<p>\u306a\u304a\u73fe\u5730\u306b\u5230\u9054\u3057\u305f\u4eba\u306b\u306f\u3001\u4f50\u4e45\u5e02\u89b3\u5149\u5354\u4f1a\u81fc\u7530\u652f\u90e8\u304c\u300c\u65e5\u672c\u3067\u4e00\u756a\u6d77\u304b\u3089\u9060\u3044\u5730\u70b9\u5230\u9054\u8a8d\u5b9a\u8a3c\u300d\u3092\u767a\u884c\u3057\u3066\u3044\u307e\u3059\uff08\u7533\u8fbc\u65b9\u6cd5\u306f\u4f50\u4e45\u5e02\u306e\u516c\u5f0f\u30da\u30fc\u30b8\u306b\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<hr \/>\n<h2 id=\"1996\">\u3053\u306e\u5ea7\u6a19\u3001\u6e2c\u5730\u7cfb\u306f\u3069\u3063\u3061\uff1f\u2014\u20141996\u5e74\u3068\u3044\u3046\u5e74\u304c\u5f15\u3063\u304b\u304b\u308b<\/h2>\n<p>\u73fe\u5834\u3078\u884c\u304f\u4eba\u304c\u5b9f\u969b\u306b\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u306e\u306f\u3053\u3053\u3067\u3059\u3002<\/p>\n<p>\u5e83\u304f\u6d41\u901a\u3057\u3066\u3044\u308b\u5ea7\u6a19\u306f <strong>\u5317\u7def36\u5ea610\u520635.87\u79d2\u30fb\u6771\u7d4c138\u5ea634\u520651.35\u79d2<\/strong>\uff08\uff1d36.1766306\u5ea6, 138.5809306\u5ea6\uff09\u3002<\/p>\n<p>\u3068\u3053\u308d\u3067\u3001<strong>\u65e5\u672c\u304c\u4e16\u754c\u6e2c\u5730\u7cfb\uff08JGD2000\uff09\u306b\u79fb\u884c\u3057\u305f\u306e\u306f2002\u5e744\u6708\u306e\u6e2c\u91cf\u6cd5\u6539\u6b63<\/strong>\u3067\u3059\u30021996\u5e74\u306e\u8abf\u67fb\u5f53\u6642\u3001\u65e5\u672c\u306e\u6e2c\u91cf\u6210\u679c\u306f\u307e\u3060<strong>\u65e5\u672c\u6e2c\u5730\u7cfb\uff08Tokyo\uff09<\/strong>\u3067\u3057\u305f\u3002\u65e5\u672c\u6e2c\u5730\u7cfb\u306e\u5ea7\u6a19\u3092\u305d\u306e\u307e\u307e\u73fe\u5728\u306e\u5730\u56f3\u306b\u7f6e\u304f\u3068\u3001<strong>\u3053\u306e\u4ed8\u8fd1\u3067\u306f\u304a\u3088\u305d400m<\/strong>\u305a\u308c\u307e\u3059\u3002\u6a19\u9ad81,200m\u306e\u5c3e\u6839\u3067400m\u305a\u308c\u305f\u3089\u3001\u6ca2\u30921\u672c\u9593\u9055\u3048\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u3053\u306e\u5ea6\u5206\u79d2\u304c\u3069\u3061\u3089\u5074\u306e\u5024\u306a\u306e\u304b\u3092\u78ba\u304b\u3081\u3066\u307f\u307e\u3059\u3002\u4f50\u4e45\u5e02\u306e\u516c\u5f0f\u30da\u30fc\u30b8\u306f\u6848\u5185\u5730\u56f3\u306e\u30d4\u30f3\u3092 <strong>36.1764747, 138.5812854<\/strong> \u306b\u7f6e\u3044\u3066\u3044\u307e\u3059\uff08Google\u30de\u30c3\u30d7\u57cb\u3081\u8fbc\u307f\uff1dWGS84\u76f8\u5f53\uff09\u3002\u5dee\u3092\u53d6\u308b\u3068\u2014\u2014<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6210\u5206<\/th>\n<th style=\"text-align: right;\">\u5dee\uff08\u5ea6\uff09<\/th>\n<th style=\"text-align: right;\">\u8ddd\u96e2\u63db\u7b97<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7def\u5ea6<\/td>\n<td style=\"text-align: right;\">+0.0001559<\/td>\n<td style=\"text-align: right;\">\u7d04 <strong>+17 m<\/strong>\uff08\u5317\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u7d4c\u5ea6<\/td>\n<td style=\"text-align: right;\">\u22120.0003548<\/td>\n<td style=\"text-align: right;\">\u7d04 <strong>\u221232 m<\/strong>\uff08\u897f\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5408\u8a08<\/td>\n<td style=\"text-align: right;\">\u2014<\/td>\n<td style=\"text-align: right;\">\u7d04 <strong>36 m<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u5dee\u306f\u7d0436m\u3002\u65e5\u672c\u6e2c\u5730\u7cfb\u3068\u4e16\u754c\u6e2c\u5730\u7cfb\u306e\u5dee\uff08\u3053\u306e\u4ed8\u8fd1\u3067\u6570\u767em\uff09\u3068\u306f\u3001\u6841\u304c\u307e\u3063\u305f\u304f\u9055\u3044\u307e\u3059\u3002<\/strong>\u3064\u307e\u308a\u73fe\u5728\u6d41\u901a\u3057\u3066\u3044\u308b\u5ea6\u5206\u79d2\u306f\u3001<strong>\u4e16\u754c\u6e2c\u5730\u7cfb\u5074\u306b\u76f4\u3055\u308c\u305f\u5024<\/strong>\u3068\u307f\u3066\u3088\u3044\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u300c\u52d8\u3067\u5224\u65ad\u3057\u305f\u300d\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<strong>\u30ba\u30ec\u306e\u91cf\u3092\u898b\u308c\u3070\u3001\u6e2c\u5730\u7cfb\u304c\u540c\u3058\u304b\u9055\u3046\u304b\u306f\u5206\u304b\u308a\u307e\u3059\u3002<\/strong>\u6570\u767em\u306a\u3089\u6e2c\u5730\u7cfb\u9055\u3044\u3001\u6570\u5341m\u4ee5\u5185\u306a\u3089\u540c\u3058\u6e2c\u5730\u7cfb\u5185\u3067\u306e\u8aad\u307f\u53d6\u308a\u8aa4\u5dee\u3002\u3053\u306e\u898b\u5206\u3051\u65b9\u306f\u3001\u51fa\u3069\u3053\u308d\u4e0d\u660e\u306e\u5ea7\u6a19\u3092\u6271\u3046\u3068\u304d\u306e\u5e38\u5957\u624b\u6bb5\u3067\u3059\uff08\u624b\u9806\u306f<a href=\"https:\/\/gcpro.y42u.net\/2026\/07\/06\/identify-unknown-datum-offset\/\">\u30ba\u30ec\u91cf\u304b\u3089\u6e2c\u5730\u7cfb\u3092\u898b\u5206\u3051\u308b<\/a>\u306b\u307e\u3068\u3081\u3066\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<blockquote><p>\n\u5ff5\u306e\u305f\u3081\uff1a\u3053\u3053\u3067\u78ba\u304b\u3081\u3089\u308c\u308b\u306e\u306f\u300c2\u3064\u306e\u5024\u304c\u540c\u3058\u6e2c\u5730\u7cfb\u306b\u3042\u308b\u3089\u3057\u3044\u300d\u3068\u3044\u3046\u3053\u3068\u307e\u3067\u3067\u3059\u3002<strong>\u56fd\u571f\u5730\u7406\u9662\u304c1996\u5e74\u306b\u51fa\u3057\u305f\u539f\u6210\u679c\u305d\u306e\u3082\u306e\u304c\u4f55\u6e2c\u5730\u7cfb\u3060\u3063\u305f\u304b\u306f\u3001\u672c\u8a18\u4e8b\u3067\u306f\u78ba\u8a8d\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/strong>\u73fe\u5730\u3067\u6b63\u78ba\u306a\u4f4d\u7f6e\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u4e00\u6b21\u8cc7\u6599\u304b\u73fe\u5730\u306e\u57fa\u6e96\u70b9\u6210\u679c\u306b\u3042\u305f\u3063\u3066\u304f\u3060\u3055\u3044\u3002\n<\/p><\/blockquote>\n<hr \/>\n<h2 id=\"_5\">\u73fe\u5834\u306e\u8996\u70b9\u3067\u8a00\u3046\u3068<\/h2>\n<p>RTK-GNSS \u3092\u6301\u3063\u3066\u884c\u304f\u4eba\u5411\u3051\u306b\u3001\u5b9f\u52d9\u7684\u306a\u6ce8\u610f\u30923\u3064\u3002<\/p>\n<p><strong>1. \u6a19\u9ad81,200m\u30fb\u96d1\u6728\u6797\u306b\u56f2\u307e\u308c\u305f\u5c3e\u6839<\/strong>\u2014\u2014<a href=\"https:\/\/y42u.net\/tec001\/2026\/09\/07\/forest-gnss-positioning-rinya-guide-field\/\">\u4e0a\u7a7a\u8996\u754c\u304c\u629c\u3051\u306a\u3044\u74b0\u5883<\/a>\u3067\u3059\u3002\u6a39\u51a0\u4e0b\u3067\u306f\u885b\u661f\u304c\u6e1b\u308a\u3001\u30de\u30eb\u30c1\u30d1\u30b9\u3082\u4e57\u308a\u307e\u3059\u3002Fix \u304c\u51fa\u3066\u3082\u3001\u3044\u3064\u3082\u3088\u308a\u7591\u3063\u3066\u304b\u304b\u308b\u5834\u6240\u3067\u3059\u3002<\/p>\n<p><strong>2. \u643a\u5e2f\u56de\u7dda\u304c\u5c4a\u304b\u306a\u3044\u53ef\u80fd\u6027<\/strong>\u2014\u2014\u30cd\u30c3\u30c8\u30ef\u30fc\u30afRTK\u306f\u88dc\u6b63\u304c\u5c4a\u304b\u306a\u3051\u308c\u3070\u6210\u7acb\u3057\u307e\u305b\u3093\u3002\u570f\u5916\u3067\u306e<a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/12\/ntrip-connection-loss-rtk-field\/\">NTRIP\u5207\u65ad<\/a>\u306b\u5099\u3048\u308b\u304b\u3001<a href=\"https:\/\/y42u.net\/tec001\/2026\/06\/22\/networkrtk-vrs-vs-clas-field\/\">CLAS\uff08\u885b\u661f\u304b\u3089\u964d\u3063\u3066\u304f\u308b\u88dc\u6b63\uff09<\/a>\u306e\u3088\u3046\u306b\u57fa\u5730\u5c40\u306b\u4f9d\u5b58\u3057\u306a\u3044\u624b\u6bb5\u3092\u9078\u3076\u304b\u306e\u5224\u65ad\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>3. \u6955\u5186\u4f53\u9ad8\u3068\u6a19\u9ad8\u306e\u9055\u3044<\/strong>\u2014\u2014\u300c\u6a19\u9ad8\u7d041,200m\u300d\u306f\u6a19\u9ad8\uff08\u30b8\u30aa\u30a4\u30c9\u304b\u3089\u306e\u9ad8\u3055\uff09\u3067\u3059\u3002GNSS\u304c\u305d\u306e\u307e\u307e\u51fa\u3059\u306e\u306f<a href=\"https:\/\/y42u.net\/tec001\/2026\/06\/29\/rtk-ellipsoidal-orthometric-height-field\/\">\u6955\u5186\u4f53\u9ad8<\/a>\u3067\u3001\u65e5\u672c\u3067\u306f\u304a\u304a\u3080\u306d30\u301c40m\u306e\u5dee\u304c\u3042\u308a\u307e\u3059\u3002\u300c1,200m\u306e\u306f\u305a\u306a\u306e\u306b1,240m\u3068\u51fa\u308b\u300d\u306e\u306f\u6545\u969c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<hr \/>\n<h2 id=\"_6\">\u307e\u3068\u3081<\/h2>\n<ul>\n<li>\u65e5\u672c\u3067\u6d77\u304b\u3089\u3044\u3061\u3070\u3093\u9060\u3044\u306e\u306f<strong>\u9577\u91ce\u770c\u4f50\u4e45\u5e02\u7530\u53e3\u5b57\u698a\u5c71209-1<\/strong>\u3001\u6a19\u9ad8\u7d041,200m\u306e\u5c3e\u6839\u30021996\u5e74\u306b\u56fd\u571f\u5730\u7406\u9662\u304c\u7279\u5b9a<\/li>\n<li>\u6d77\u5cb8\u7dda\u307e\u3067<strong>\u7d04115km<\/strong>\u3002\u592a\u5e73\u6d0b\u50742\u304b\u6240\u30fb\u65e5\u672c\u6d77\u50742\u304b\u6240\u3078\u306e\u8ddd\u96e2\u306e\u5dee\u306f<strong>\u308f\u305a\u304b13m<\/strong><\/li>\n<li>\u300c\u6700\u3082\u9060\u3044\u5730\u70b9\u300d\u3068\u306f<strong>\u3069\u306e\u65b9\u5411\u3078\u52d5\u3044\u3066\u3082\u6d77\u304c\u8fd1\u3065\u304f\u70b9<\/strong>\u3002\u3060\u304b\u3089\u8907\u6570\u65b9\u5411\u304c\u307b\u307c\u7b49\u8ddd\u96e2\u306b\u306a\u308b<\/li>\n<li>\u305d\u306e115km\u306f<strong>\u7403\u9762\u8ddd\u96e2<\/strong>\u3002\u5f26\u3067\u6e2c\u308c\u3070\u7d041.6m\u77ed\u304f\u306a\u308a\u3001\u6a19\u9ad8\u5dee1,200m\u3092\u8db3\u3059\u3068\u7d046.3m\u4f38\u3073\u308b\u3002<strong>13m\u3068\u3044\u3046\u5dee\u306f\u3001\u6e2c\u308a\u65b9\u306e\u9078\u629e\u3068\u540c\u3058\u30aa\u30fc\u30c0\u30fc<\/strong><\/li>\n<li>\u6d77\u5cb8\u7dda\u306e\u5b9a\u7fa9\uff08\u6e80\u6f6e\u6642\u30fb\u7e2e\u5c3a\u30fb\u6642\u70b9\uff09\u3067\u3082\u672b\u5c3e\u306f\u52d5\u304f<\/li>\n<li>\u73fe\u5730\u306b\u306f<strong>1\u7d1a\u516c\u5171\u57fa\u6e96\u70b9<\/strong>\u304c\u3042\u308b\u3002\u300c\u5b9a\u7fa9\u3092\u73fe\u5730\u306e1\u70b9\u306b\u56fa\u5b9a\u3057\u3066\u3001\u5f8c\u304b\u3089\u5fa9\u5143\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u300d\u3068\u3044\u3046\u6e2c\u91cf\u306e\u4f5c\u6cd5<\/li>\n<li>\u6d41\u901a\u3057\u3066\u3044\u308b\u5ea6\u5206\u79d2\u306f\u3001\u4f50\u4e45\u5e02\u306e\u6848\u5185\u30d4\u30f3\u3068\u306e\u5dee\u304c<strong>\u7d0436m<\/strong>\u3002\u6570\u767em\u3067\u306f\u306a\u3044\u306e\u3067<strong>\u4e16\u754c\u6e2c\u5730\u7cfb\u5074\u306e\u5024<\/strong>\u3068\u307f\u3066\u3088\u3044<\/li>\n<\/ul>\n<p>\u300c\u65e5\u672c\u4e00\u300d\u3068\u3044\u3046\u96d1\u5b66\u306f\u3001\u305f\u3044\u3066\u3044<strong>\u6e2c\u308a\u65b9\u3092\u6c7a\u3081\u305f\u4eba\u304c\u3044\u308b<\/strong>\u3068\u3044\u3046\u8a71\u3067\u3059\u300213m\u3068\u3044\u3046\u5c0f\u3055\u306a\u5dee\u306f\u3001\u305d\u306e\u6c7a\u3081\u65b9\u304c\u3069\u308c\u3060\u3051\u52b9\u304f\u304b\u3092\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<h3 id=\"_7\">\u51fa\u5178<\/h3>\n<ul>\n<li>\u65e5\u672c\u3067\u6d77\u5cb8\u7dda\u304b\u3089\u4e00\u756a\u9060\u3044\u5730\u70b9 \u2014 \u4f50\u4e45\u5e02\u30db\u30fc\u30e0\u30da\u30fc\u30b8\uff082026\u5e746\u67081\u65e5\u66f4\u65b0\uff09: https:\/\/www.city.saku.nagano.jp\/kanko\/kanko\/spot\/nature\/umikaratoi.html<\/li>\n<li>\u65e5\u672c\u3067\u6d77\u304b\u3089\u4e00\u756a\u9060\u3044\u5730\u70b9 \u2014 Wikipedia\uff084\u65b9\u5411\u306e\u8ddd\u96e2\u30fb\u5ea6\u5206\u79d2\u30fb1\u7d1a\u516c\u5171\u57fa\u6e96\u70b9\u306e\u8a18\u8f09\uff09: https:\/\/ja.wikipedia.org\/wiki\/\u65e5\u672c\u3067\u6d77\u304b\u3089\u4e00\u756a\u9060\u3044\u5730\u70b9<\/li>\n<li>\u65e5\u672c\u3067\u6d77\u304b\u3089\u4e00\u756a\u9060\u3044\u5730\u70b9 \u2014 \u4f50\u4e45\u5e02\u89b3\u5149\u30ca\u30d3: https:\/\/www.sakukankou.jp\/spot\/1302\/<\/li>\n<li>\u4e16\u754c\u6e2c\u5730\u7cfb \u2014 \u56fd\u571f\u5730\u7406\u9662: https:\/\/www.gsi.go.jp\/sokuchikijun\/datum-main.html<\/li>\n<\/ul>\n<blockquote><p>\n4\u65b9\u5411\u306e\u8ddd\u96e2\uff08114.853\uff0f114.854\uff0f114.862\uff0f114.866 km\uff09\u3068\u5ea6\u5206\u79d2\u306f\u3001\u4e0a\u8a18\u306e\u516c\u958b\u8cc7\u6599\u306b\u8a18\u8f09\u3055\u308c\u305f\u5024\u3092\u305d\u306e\u307e\u307e\u5f15\u7528\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u56fd\u571f\u5730\u7406\u9662\u304c1996\u5e74\u306b\u516c\u8868\u3057\u305f\u4e00\u6b21\u8cc7\u6599\u305d\u306e\u3082\u306e\u306f\u3001\u672c\u8a18\u4e8b\u3067\u306f\u78ba\u8a8d\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002<\/strong>\u5f26\u3068\u7403\u9762\u8ddd\u96e2\u306e\u5dee\uff08\u7d041.6m\uff09\u3001\u6a19\u9ad8\u5dee\u306b\u3088\u308b\u659c\u8ddd\u96e2\u306e\u4f38\u3073\uff08\u7d046.3m\uff09\u3001\u4f50\u4e45\u5e02\u306e\u6848\u5185\u30d4\u30f3\u3068\u306e\u5dee\uff08\u7d0436m\uff09\u306f\u3001\u3044\u305a\u308c\u3082\u672c\u8a18\u4e8b\u5185\u3067\u8a08\u7b97\u3057\u305f\u5024\u3067\u3059\u3002\u8a18\u8ff0\u306f<strong>2026\u5e749\u6708\u6642\u70b9<\/strong>\u306e\u3082\u306e\u3067\u3059\u3002\n<\/p><\/blockquote>\n<hr \/>\n<h2 id=\"_8\">\u6b21\u306b\u78ba\u8a8d\u3059\u308b<\/h2>\n<ul>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/16\/benchmark-point-record-lookup-field\/\">\u57fa\u6e96\u70b9\u306e\u7d20\u6027\u3092\u300c\u70b9\u306e\u8a18\u300d\u304b\u3089\u305f\u3069\u308b\u624b\u9806\u3092\u78ba\u8a8d\u3059\u308b<\/a> \u2014 \u73fe\u5730\u306e1\u7d1a\u516c\u5171\u57fa\u6e96\u70b9\u306e\u3088\u3046\u306a\u70b9\u304c\u3001\u3069\u3093\u306a\u60c5\u5831\u3068\u30bb\u30c3\u30c8\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u304b\u304c\u5206\u304b\u308a\u307e\u3059<\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/08\/30\/japans-lowest-mountain-elevation-field\/\">\u65e5\u672c\u3067\u3044\u3061\u3070\u3093\u4f4e\u3044\u5c71\u306f\u3069\u3053\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/a> \u2014 \u300c\u65e5\u672c\u4e00\u300d\u304c\u6e2c\u308a\u65b9\u306e\u53d6\u308a\u6c7a\u3081\u3067\u6c7a\u307e\u308b\u3001\u3082\u3046\u3072\u3068\u3064\u306e\u5b9f\u4f8b\u3067\u3059<\/li>\n<li><a href=\"https:\/\/y42u.net\/tec001\/2026\/09\/12\/beppu-shimabara-graben-kyushu-rift-field\/\">\u4e5d\u5dde\u306f\u672c\u5f53\u306b2\u3064\u306b\u5272\u308c\u308b\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/a> \u2014 \u5730\u5b66\u306e\u96d1\u5b66\u3092\u3001\u96fb\u5b50\u57fa\u6e96\u70b9\u306e\u5b9f\u6e2c\u5024\u304b\u3089\u691c\u7b97\u3057\u3066\u3044\u304f\u56de\u3067\u3059<\/li>\n<li><a href=\"https:\/\/gmp.y42u.net\/2026\/09\/01\/japan-center-population-centroid-135-meridian-learning\/\">\u65e5\u672c\u306e\u4e2d\u5fc3\u306f\u3069\u3053\u304b\u3092\u4eba\u53e3\u91cd\u5fc3\u3068\u6771\u7d4c135\u5ea6\u304b\u3089\u78ba\u8a8d\u3059\u308b\uff08GeoPrism JP\uff09<\/a> \u2014 \u540c\u3058\u300c\u307e\u3093\u306a\u304b\u300d\u3067\u3082\u3001\u4f55\u3092\u6e2c\u308b\u304b\u3067\u7b54\u3048\u304c\u5909\u308f\u308b\u3053\u3068\u3092\u56f3\u3067\u898b\u3089\u308c\u307e\u3059<\/li>\n<li><a href=\"https:\/\/gcpro.y42u.net\/2026\/07\/26\/distance-formula-hubeny-vincenty-karney\/\">100km\u7d1a\u306e\u8ddd\u96e2\u3092\u8a08\u7b97\u3059\u308b\u5f0f\u306e\u9055\u3044\u3092\u78ba\u8a8d\u3059\u308b\uff08GeoConverter Pro\uff09<\/a> \u2014 \u7403\u304b\u6955\u5186\u4f53\u304b\u3001\u3069\u306e\u5f0f\u304b\u3067\u6570\u5341m\u5909\u308f\u308b\u8a71\u306e\u4e2d\u8eab\u3067\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\u7b2c5\u7ae0\u300c\u56fd\u571f\u306e\u306f\u3057\u3068\u57fa\u6e96\u70b9\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\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\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>\u65e5\u672c\u3067\u3044\u3061\u3070\u3093\u6d77\u304b\u3089\u9060\u3044\u5834\u6240\u306f\u3069\u3053\uff1f \u2014 \u9577\u91ce\u770c\u4f50\u4e45\u5e02\u306e\u5c71\u4e2d\u3068\u30014\u65b9\u5411\u306e\u6d77\u5cb8\u7dda\u307e\u3067\u304c13m\u3057\u304b\u9055\u308f\u306a\u3044\u7406\u7531 \u9577\u91ce\u770c\u4f50\u4e45\u5e02\u7530\u53e3\u5b57\u698a\u5c71209-1\u3001\u7fa4\u99ac\u770c\u5357\u7267\u6751\u3068\u306e\u770c\u5883\u8fd1\u304f\u3001\u6a19\u9ad8\u7d041,200m\u306e\u5c3e\u6839\u3067\u3059\u30021996\u5e74\u306b\u56fd\u571f\u5730\u7406\u9662 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4025,"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":[17,548,544,33,384,547,543,498,546,390,545],"class_list":["post-4026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-geodiveexa","tag-548","tag-544","tag-33","tag-384","tag-547","tag-543","tag-498","tag-546","tag-390","tag-545"],"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-farthest-point-from-sea-japan-saku-field.jpeg","_links":{"self":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts\/4026","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=4026"}],"version-history":[{"count":0,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/posts\/4026\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/media\/4025"}],"wp:attachment":[{"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/media?parent=4026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/categories?post=4026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/y42u.net\/tec001\/wp-json\/wp\/v2\/tags?post=4026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}