{ "source": [ { "name": "国土地理院 指定緊急避難場所データ（千葉県市原市 12219）", "url": "https://hinanmap.gsi.go.jp/hinanjocp/hinanbasho/koukaidate.html", "retrieved": "2026-10-09", "note": "災害種別フラグ・座標はこのデータ。市原市の最終更新 2026-08-17（公開履歴CSVより）。" }, { "name": "国土地理院 指定避難所データ（千葉県市原市 12219）", "url": "https://hinanmap.gsi.go.jp/hinanjocp/hinanbasho/koukaidate.html", "retrieved": "2026-10-09", "note": "isShelter 判定に使用" }, { "name": "千葉県オープンデータポータル 市原市「指定緊急避難場所及び指定避難所等一覧」(PDF)", "url": "https://opendata.pref.chiba.lg.jp/datasets/4753", "retrieved": "2026-10-09", "note": "isShelter の突合（重複指定/早期/一次/二次/福祉のいずれか●）と地区の補完に使用" }, { "name": "重ねるハザードマップ 洪水浸水想定区域（想定最大規模）タイル z=16", "url": "https://disaportaldata.gsi.go.jp/raster/01_flood_l2_shinsuishin_data/{z}/{x}/{y}.png", "retrieved": "2026-10-09", "note": "floodDepthRank 事前計算（画素色の最近傍判定）" } ], "items": [ { "id": "E1221900001201", "name": "ちはら台西中学校", "address": "千葉県市原市ちはら台西5-1", "lat": 35.5307281392145, "lon": 140.177645269195, "district": "ちはら台", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900002201", "name": "水の江小学校", "address": "千葉県市原市ちはら台東2-15", "lat": 35.5336920785612, "lon": 140.192339990293, "district": "ちはら台", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900003201", "name": "ちはら台桜小学校", "address": "千葉県市原市ちはら台東5-13", "lat": 35.5383736858705, "lon": 140.195449620759, "district": "ちはら台", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900004201", "name": "牧園小学校", "address": "千葉県市原市ちはら台南2-7", "lat": 35.5256333186443, "lon": 140.176461875631, "district": "ちはら台", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900005201", "name": "清水谷小学校", "address": "千葉県市原市ちはら台南5-2", "lat": 35.5273246933914, "lon": 140.186129374191, "district": "ちはら台", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900006201", "name": "ちはら台南中学校", "address": "千葉県市原市ちはら台南5-3", "lat": 35.5281761117311, "lon": 140.187281037472, "district": "ちはら台", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900007201", "name": "ちはら台コミュニティセンター", "address": "千葉県市原市ちはら台南6-1-3", "lat": 35.5290080939534, "lon": 140.185084371935, "district": "ちはら台", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900008201", "name": "南総中学校", "address": "千葉県市原市安久谷140", "lat": 35.3961107205147, "lon": 140.155426180172, "district": "南総", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900009201", "name": "三和運動広場", "address": "千葉県市原市磯ケ谷1606-2", "lat": 35.4596936085221, "lon": 140.132752646777, "district": "三和", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": false, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900010201", "name": "三和中学校", "address": "千葉県市原市磯ケ谷1703", "lat": 35.460254829391, "lon": 140.129635004866, "district": "三和", "hazards": { "flood": false, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900011201", "name": "市津公民館", "address": "千葉県市原市下野90-1", "lat": 35.5148484844905, "lon": 140.184536718074, "district": "市津", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900012201", "name": "市西小学校", "address": "千葉県市原市海士有木1130", "lat": 35.4710299359492, "lon": 140.130713927884, "district": "三和", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900014201", "name": "三和コミュニティセンター", "address": "千葉県市原市海士有木235-1", "lat": 35.4647561279804, "lon": 140.125099965383, "district": "三和", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900015201", "name": "牛久小学校", "address": "千葉県市原市皆吉933-2", "lat": 35.3947367309826, "lon": 140.138303378617, "district": "南総", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900016202", "name": "市原緑地運動公園【体育館】", "address": "千葉県市原市岩崎536", "lat": 35.5285688003333, "lon": 140.069674918942, "district": "五井", "hazards": { "flood": true, "landslide": true, "storm_surge": false, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 1, "inLandslideZone": false }, { "id": "E1221900016201", "name": "市原緑地運動公園【スタンド】", "address": "千葉県市原市岩崎536", "lat": 35.528155, "lon": 140.070778, "district": "五井", "hazards": { "flood": false, "landslide": false, "storm_surge": false, "earthquake": false, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": false, "floodDepthRank": 2, "inLandslideZone": false }, { "id": "E1221900017201", "name": "菊間小学校", "address": "千葉県市原市菊間1620-1", "lat": 35.5370747180432, "lon": 140.15081216053, "district": "市原", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 2, "inLandslideZone": false }, { "id": "E1221900018201", "name": "菊間中学校", "address": "千葉県市原市菊間1850", "lat": 35.5345706344679, "lon": 140.146943967036, "district": "市原", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900019201", "name": "菊間コミュニティセンター", "address": "千葉県市原市菊間1870-4", "lat": 35.5366790614247, "lon": 140.1480507281, "district": "市原", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, 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false, "volcano": false }, "isShelter": true, "floodDepthRank": 2, "inLandslideZone": false }, { "id": "E1221900030201", "name": "若葉小学校", "address": "千葉県市原市五井5555-1", "lat": 35.5221025427584, "lon": 140.091015745261, "district": "五井", "hazards": { "flood": false, "landslide": true, "storm_surge": false, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 2, "inLandslideZone": false }, { "id": "E1221900031201", "name": "五井中学校", "address": "千葉県市原市五井922-2", "lat": 35.5088396564034, "lon": 140.078378125362, "district": "五井", "hazards": { "flood": false, "landslide": true, "storm_surge": false, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 2, "inLandslideZone": false }, { "id": "E1221900032201", "name": "京葉小学校", "address": "千葉県市原市五井西3-9-2", "lat": 35.5187736604635, "lon": 140.073940138793, "district": "五井", "hazards": { "flood": false, "landslide": true, "storm_surge": false, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 2, "inLandslideZone": false }, { "id": "E1221900033201", "name": "サンプラザ市原", "address": "千葉県市原市五井中央西1-1-25", "lat": 35.512849465918, "lon": 140.088729627725, "district": "五井", "hazards": { "flood": true, "landslide": true, "storm_surge": false, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900034201", "name": "五井小学校", "address": "千葉県市原市五井東1-6-3", "lat": 35.5143891264882, "lon": 140.094586818639, "district": "五井", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 1, "inLandslideZone": false }, { "id": "E1221900035201", "name": "五所小学校", "address": "千葉県市原市五所2154-1", "lat": 35.5260525823139, "lon": 140.117084398723, "district": "市原", "hazards": { "flood": true, "landslide": true, "storm_surge": false, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900036201", "name": "双葉中学校", "address": "千葉県市原市光風台1-475", "lat": 35.4451230667982, "lon": 140.114348202762, "district": "三和", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900037201", "name": "光風台小学校", "address": "千葉県市原市光風台4-546", "lat": 35.4456450891903, "lon": 140.098197250452, "district": "三和", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900038201", "name": "市原市総合公園", "address": "千葉県市原市更級5-1-1", "lat": 35.5102616091089, "lon": 140.09911251284, "district": "五井", "hazards": { "flood": false, "landslide": true, "storm_surge": false, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": false, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900039201", "name": "いちはら子ども未来館", "address": "千葉県市原市更級5-1-18", "lat": 35.5118680609298, "lon": 140.100076888308, "district": "五井", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900040201", "name": "旧市東第二小学校", "address": "千葉県市原市高倉1-1", "lat": 35.5033929207913, "lon": 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"volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900092201", "name": "有秋東小学校", "address": "千葉県市原市不入斗753", "lat": 35.4542213207487, "lon": 140.057281460337, "district": "有秋", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900093201", "name": "旧平三小学校", "address": "千葉県市原市平蔵808", "lat": 35.3355600530826, "lon": 140.208376864665, "district": "南総", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900094201", "name": "加茂中学校（加茂学園）", "address": "千葉県市原市平野123", "lat": 35.3332456435357, "lon": 140.146178518602, "district": "加茂", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900095201", "name": "有秋公民館", "address": "千葉県市原市有秋台西1-3-2", "lat": 35.4536649050686, "lon": 140.050286391887, "district": "有秋", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900096201", "name": "有秋西小学校", "address": "千葉県市原市有秋台西2-3", "lat": 35.4481846798546, "lon": 140.051766690483, "district": "有秋", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false }, { "id": "E1221900097201", "name": "旧高滝小学校", "address": "千葉県市原市養老1012", "lat": 35.3573334397859, "lon": 140.154137165957, "district": "加茂", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": false, "floodDepthRank": 0, "inLandslideZone": false, "note": "地震時は屋外施設のみ利用" }, { "id": "E1221900098201", "name": "加茂公民館", "address": "千葉県市原市養老949-1", "lat": 35.3547519754412, "lon": 140.15222118743, "district": "加茂", "hazards": { "flood": true, "landslide": true, "storm_surge": true, "earthquake": true, "tsunami": true, "large_fire": false, "inland_flood": false, "volcano": false }, "isShelter": true, "floodDepthRank": 0, "inLandslideZone": false } ] }