{"changes":[{"timestamp":"2026-09-15T16:01:15.547Z","location":"雲仙岳","lat":32.76,"lon":130.3,"previousElevation":1357.4,"currentElevation":1357.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:15.541Z","location":"雲仙岳","lat":32.76,"lon":130.3,"previousElevation":1357.4,"currentElevation":1357.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:15.071Z","location":"西之島","lat":27.25,"lon":140.88,"previousElevation":38,"currentElevation":38,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:15.067Z","location":"西之島","lat":27.25,"lon":140.88,"previousElevation":38,"currentElevation":38,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:14.450Z","location":"三宅島","lat":34.08,"lon":139.53,"previousElevation":607.4,"currentElevation":607.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:14.444Z","location":"三宅島","lat":34.08,"lon":139.53,"previousElevation":607.4,"currentElevation":607.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:13.963Z","location":"伊豆大島","lat":34.74,"lon":139.4,"previousElevation":510.9,"currentElevation":510.9,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:13.953Z","location":"伊豆大島","lat":34.74,"lon":139.4,"previousElevation":510.9,"currentElevation":510.9,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:13.473Z","location":"箱根山","lat":35.23,"lon":139.03,"previousElevation":1132.7,"currentElevation":1132.7,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:13.466Z","location":"箱根山","lat":35.23,"lon":139.03,"previousElevation":1132.7,"currentElevation":1132.7,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:12.980Z","location":"富士山","lat":35.36,"lon":138.73,"previousElevation":3715,"currentElevation":3715,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:12.974Z","location":"富士山","lat":35.36,"lon":138.73,"previousElevation":3715,"currentElevation":3715,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:12.492Z","location":"浅間山","lat":36.41,"lon":138.53,"previousElevation":2253,"currentElevation":2253,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:12.483Z","location":"浅間山","lat":36.41,"lon":138.53,"previousElevation":2253,"currentElevation":2253,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:11.964Z","location":"草津白根山","lat":36.64,"lon":138.53,"previousElevation":2063.4,"currentElevation":2063.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:11.958Z","location":"草津白根山","lat":36.64,"lon":138.53,"previousElevation":2063.4,"currentElevation":2063.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:11.479Z","location":"吾妻山","lat":37.73,"lon":140.26,"previousElevation":1481.3,"currentElevation":1481.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:11.472Z","location":"吾妻山","lat":37.73,"lon":140.26,"previousElevation":1481.3,"currentElevation":1481.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:11.000Z","location":"蔵王山","lat":38.14,"lon":140.46,"previousElevation":1410.3,"currentElevation":1410.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:10.992Z","location":"蔵王山","lat":38.14,"lon":140.46,"previousElevation":1410.3,"currentElevation":1410.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:10.357Z","location":"岩手山","lat":39.85,"lon":141,"previousElevation":1975.4,"currentElevation":1975.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:10.347Z","location":"岩手山","lat":39.85,"lon":141,"previousElevation":1975.4,"currentElevation":1975.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:09.851Z","location":"樽前山","lat":42.69,"lon":141.39,"previousElevation":852.3,"currentElevation":852.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:09.842Z","location":"樽前山","lat":42.69,"lon":141.39,"previousElevation":852.3,"currentElevation":852.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:09.322Z","location":"有珠山","lat":42.54,"lon":140.84,"previousElevation":666.2,"currentElevation":666.2,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:09.313Z","location":"有珠山","lat":42.54,"lon":140.84,"previousElevation":666.2,"currentElevation":666.2,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:08.825Z","location":"雌阿寒岳","lat":43.38,"lon":144.01,"previousElevation":1301.6,"currentElevation":1301.6,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:08.819Z","location":"雌阿寒岳","lat":43.38,"lon":144.01,"previousElevation":1301.6,"currentElevation":1301.6,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:08.349Z","location":"霧島山","lat":31.93,"lon":130.88,"previousElevation":1263.1,"currentElevation":1263.1,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:08.339Z","location":"霧島山","lat":31.93,"lon":130.88,"previousElevation":1263.1,"currentElevation":1263.1,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:07.853Z","location":"諏訪之瀬島","lat":29.64,"lon":129.72,"previousElevation":428.9,"currentElevation":428.9,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:07.843Z","location":"諏訪之瀬島","lat":29.64,"lon":129.72,"previousElevation":428.9,"currentElevation":428.9,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:07.358Z","location":"薩摩硫黄島","lat":30.79,"lon":130.31,"previousElevation":626.9,"currentElevation":626.9,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:07.349Z","location":"薩摩硫黄島","lat":30.79,"lon":130.31,"previousElevation":626.9,"currentElevation":626.9,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:06.883Z","location":"桜島","lat":31.59,"lon":130.66,"previousElevation":987.2,"currentElevation":987.2,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:06.873Z","location":"桜島","lat":31.59,"lon":130.66,"previousElevation":987.2,"currentElevation":987.2,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:06.385Z","location":"口永良部島","lat":30.44,"lon":130.22,"previousElevation":426.5,"currentElevation":426.5,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:06.377Z","location":"口永良部島","lat":30.44,"lon":130.22,"previousElevation":426.5,"currentElevation":426.5,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:05.857Z","location":"十勝岳","lat":43.42,"lon":142.69,"previousElevation":1987,"currentElevation":1987,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:05.843Z","location":"十勝岳","lat":43.42,"lon":142.69,"previousElevation":1987,"currentElevation":1987,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:05.370Z","location":"阿蘇山","lat":32.89,"lon":131.1,"previousElevation":1189.6,"currentElevation":1189.6,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:05.351Z","location":"阿蘇山","lat":32.89,"lon":131.1,"previousElevation":1189.6,"currentElevation":1189.6,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T16:01:04.558Z","location":"諏訪之瀬島","lat":29.6383,"lon":129.7139,"previousElevation":787.3,"currentElevation":787.3,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:04.546Z","location":"諏訪之瀬島","lat":29.6383,"lon":129.7139,"previousElevation":787.3,"currentElevation":787.3,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:04.107Z","location":"口永良部島","lat":30.4431,"lon":130.2172,"previousElevation":645.8,"currentElevation":645.8,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:04.098Z","location":"口永良部島","lat":30.4431,"lon":130.2172,"previousElevation":645.8,"currentElevation":645.8,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:03.692Z","location":"桜島","lat":31.5853,"lon":130.6572,"previousElevation":1053.2,"currentElevation":1053.2,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:03.681Z","location":"桜島","lat":31.5853,"lon":130.6572,"previousElevation":1053.2,"currentElevation":1053.2,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:03.449Z","location":"霧島山","lat":31.9342,"lon":130.8619,"previousElevation":1660.1,"currentElevation":1660.1,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:03.303Z","location":"霧島山","lat":31.9342,"lon":130.8619,"previousElevation":1660.1,"currentElevation":1660.1,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:02.905Z","location":"雲仙岳","lat":32.7608,"lon":130.2986,"previousElevation":1444.6,"currentElevation":1444.6,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:02.896Z","location":"雲仙岳","lat":32.7608,"lon":130.2986,"previousElevation":1444.6,"currentElevation":1444.6,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:02.515Z","location":"阿蘇山","lat":32.8844,"lon":131.1039,"previousElevation":1590,"currentElevation":1590,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:02.514Z","location":"阿蘇山","lat":32.8844,"lon":131.1039,"previousElevation":1590,"currentElevation":1590,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:02.081Z","location":"西之島","lat":27.2467,"lon":140.8744,"previousElevation":43,"currentElevation":43,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:02.075Z","location":"西之島","lat":27.2467,"lon":140.8744,"previousElevation":43,"currentElevation":43,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:01.618Z","location":"三宅島","lat":34.0944,"lon":139.5261,"previousElevation":728.9,"currentElevation":728.9,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:01.538Z","location":"三宅島","lat":34.0944,"lon":139.5261,"previousElevation":728.9,"currentElevation":728.9,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:01.096Z","location":"伊豆大島","lat":34.7244,"lon":139.3944,"previousElevation":753.9,"currentElevation":753.9,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:01.091Z","location":"伊豆大島","lat":34.7244,"lon":139.3944,"previousElevation":753.9,"currentElevation":753.9,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:00.660Z","location":"御嶽山","lat":35.8926,"lon":137.4803,"previousElevation":3048.2,"currentElevation":3048.2,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:00.655Z","location":"御嶽山","lat":35.8926,"lon":137.4803,"previousElevation":3048.2,"currentElevation":3048.2,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:00.217Z","location":"箱根山","lat":35.2333,"lon":139.0211,"previousElevation":1425.5,"currentElevation":1425.5,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:01:00.214Z","location":"箱根山","lat":35.2333,"lon":139.0211,"previousElevation":1425.5,"currentElevation":1425.5,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:00:59.791Z","location":"浅間山","lat":36.4064,"lon":138.5231,"previousElevation":2560.1,"currentElevation":2560.1,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:00:59.789Z","location":"浅間山","lat":36.4064,"lon":138.5231,"previousElevation":2560.1,"currentElevation":2560.1,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:00:59.312Z","location":"草津白根山","lat":36.6369,"lon":138.5278,"previousElevation":1976.1,"currentElevation":1976.1,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:00:58.853Z","location":"蔵王山","lat":38.1442,"lon":140.4406,"previousElevation":1833.8,"currentElevation":1833.8,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T16:00:58.848Z","location":"蔵王山","lat":38.1442,"lon":140.4406,"previousElevation":1833.8,"currentElevation":1833.8,"change":0,"type":"earthquake"},{"timestamp":"2026-09-15T15:01:08.523Z","location":"雲仙岳","lat":32.76,"lon":130.3,"previousElevation":1357.4,"currentElevation":1357.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:08.515Z","location":"雲仙岳","lat":32.76,"lon":130.3,"previousElevation":1357.4,"currentElevation":1357.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:08.015Z","location":"西之島","lat":27.25,"lon":140.88,"previousElevation":38,"currentElevation":38,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:08.010Z","location":"西之島","lat":27.25,"lon":140.88,"previousElevation":38,"currentElevation":38,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:07.276Z","location":"三宅島","lat":34.08,"lon":139.53,"previousElevation":607.4,"currentElevation":607.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:07.268Z","location":"三宅島","lat":34.08,"lon":139.53,"previousElevation":607.4,"currentElevation":607.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:06.764Z","location":"伊豆大島","lat":34.74,"lon":139.4,"previousElevation":510.9,"currentElevation":510.9,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:06.755Z","location":"伊豆大島","lat":34.74,"lon":139.4,"previousElevation":510.9,"currentElevation":510.9,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:06.270Z","location":"箱根山","lat":35.23,"lon":139.03,"previousElevation":1132.7,"currentElevation":1132.7,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:06.264Z","location":"箱根山","lat":35.23,"lon":139.03,"previousElevation":1132.7,"currentElevation":1132.7,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:05.771Z","location":"富士山","lat":35.36,"lon":138.73,"previousElevation":3715,"currentElevation":3715,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:05.763Z","location":"富士山","lat":35.36,"lon":138.73,"previousElevation":3715,"currentElevation":3715,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:05.294Z","location":"浅間山","lat":36.41,"lon":138.53,"previousElevation":2253,"currentElevation":2253,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:05.288Z","location":"浅間山","lat":36.41,"lon":138.53,"previousElevation":2253,"currentElevation":2253,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:04.780Z","location":"草津白根山","lat":36.64,"lon":138.53,"previousElevation":2063.4,"currentElevation":2063.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:04.773Z","location":"草津白根山","lat":36.64,"lon":138.53,"previousElevation":2063.4,"currentElevation":2063.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:04.290Z","location":"吾妻山","lat":37.73,"lon":140.26,"previousElevation":1481.3,"currentElevation":1481.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:04.280Z","location":"吾妻山","lat":37.73,"lon":140.26,"previousElevation":1481.3,"currentElevation":1481.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:03.810Z","location":"蔵王山","lat":38.14,"lon":140.46,"previousElevation":1410.3,"currentElevation":1410.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:03.797Z","location":"蔵王山","lat":38.14,"lon":140.46,"previousElevation":1410.3,"currentElevation":1410.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:03.309Z","location":"岩手山","lat":39.85,"lon":141,"previousElevation":1975.4,"currentElevation":1975.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:03.300Z","location":"岩手山","lat":39.85,"lon":141,"previousElevation":1975.4,"currentElevation":1975.4,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:02.816Z","location":"樽前山","lat":42.69,"lon":141.39,"previousElevation":852.3,"currentElevation":852.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:02.805Z","location":"樽前山","lat":42.69,"lon":141.39,"previousElevation":852.3,"currentElevation":852.3,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:02.290Z","location":"有珠山","lat":42.54,"lon":140.84,"previousElevation":666.2,"currentElevation":666.2,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:02.286Z","location":"有珠山","lat":42.54,"lon":140.84,"previousElevation":666.2,"currentElevation":666.2,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:01.797Z","location":"雌阿寒岳","lat":43.38,"lon":144.01,"previousElevation":1301.6,"currentElevation":1301.6,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:01.793Z","location":"雌阿寒岳","lat":43.38,"lon":144.01,"previousElevation":1301.6,"currentElevation":1301.6,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:01.311Z","location":"霧島山","lat":31.93,"lon":130.88,"previousElevation":1263.1,"currentElevation":1263.1,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:01.306Z","location":"霧島山","lat":31.93,"lon":130.88,"previousElevation":1263.1,"currentElevation":1263.1,"change":0,"type":"volcano"},{"timestamp":"2026-09-15T15:01:00.725Z","location":"諏訪之瀬島","lat":29.64,"lon":129.72,"previousElevation":428.9,"currentElevation":428.9,"change":0,"type":"volcano"}],"summary":{"total":100,"increases":0,"decreases":0,"unchanged":100},"period":{"hours":24,"since":"2026-09-14T17:37:27.897Z","to":"2026-09-15T17:37:28.950Z"}}