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集計(macro) 主要地域の地盤沈下等の状況(地域計) |
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番号 |
都道府県 |
地 域 |
令和3年度
水準測量が実施された地域 |
地 盤 沈 下 の 状 況 |
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地盤沈下防止等対策要綱 |
観測状況 |
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被害の状況
●:対策済 ○:一部対策が施されているものを含め、現在なお被害が認められるもの △:極めて局部的に被害が認められるもの |
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地 域 |
都道府県 |
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現在までに
沈下が認め
られた地域
の面積(㎢) |
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地域内での水準点の
累計沈下量 |
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地域内での水準点の直近5年間の
累計沈下量 |
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直近の測量による水準点の
1年間沈下量 |
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R3年度の測量で沈下が生じている
地域の沈下量別面積(㎢) |
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規制地域 :■ |
水準
測量 |
観測井戸数(本) |
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直接被害 |
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間接被害 |
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地下水の塩水化 |
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観測地域 :◆ |
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一般施設 |
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公共施設 |
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洪水・高潮の危険性大 |
排水不良 |
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ゼロメートル地帯面積(㎢) |
最大値
(cm) |
対象 期間 |
水準点番号 |
所在地 |
最大値
(cm) |
対象 期間 |
水準点番号 |
所在地 |
最大値
(cm) |
測量の
年度 |
水準点番号 |
所在地 |
1cm/年
以上 |
2cm/年
以上 |
3cm/年
以上 |
4cm/年
以上 |
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地方の規制等 |
測量
距離
(km) |
地下
水位
のみ |
地盤
収縮
のみ |
地下
水位
及び
地盤
収縮 |
建築物の破損または脆弱化 |
井戸等の抜け上がり |
港湾・海岸施 設の沈下 |
堤防・護岸等の沈下 |
道路・橋梁等の沈下・破損 |
農業用水路の沈下・破損 |
埋設物の破損 |
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条例 :□ |
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<html>または
期間<sup>※</sup></html> |
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要綱等 :◇ |
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シート2で入力された内容がコピーされます。 |
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シート2で入力された内容がコピーされます。 |
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シート2で入力された内容がコピーされます。 |
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シート4で入力された内容がコピーされます。 |
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徳島県 |
徳島平野 |
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16.6 |
0 |
11 |
S39~S46 |
055-004 |
徳島市論田町 |
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0.6 |
S57 |
5074 |
徳島市西須賀町 |
/ |
/ |
/ |
/ |
□ |
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9 |
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2 |
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○ |
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○ |
徳島平野 |
徳島県 |
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□ ◇ |
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