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https://ds.iris.edu/seismon/index.phtml
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https://earthquake.tenki.jp/bousai/earthquake/seismicity-map/
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https://www.hinet.bosai.go.jp/hypomap/?LANG=ja
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北海道新聞@doshinweb·10h
上下水道 耐震化の 費用莫大
道内防災拠点で整備進まず 自治体「国の支援拡充を」
https://x.com/doshinweb/status/1852362259017691331
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