{
  "points": [
    {
      "id": "source_zone",
      "label_zh": "冰岩崩源区",
      "label_en": "Rock-ice avalanche source",
      "lat": 28.27088,
      "lon": 85.51499,
      "elev_m": 5300,
      "confidence": "confirmed",
      "detail_zh": "朗塘力宁北坡高陡冰岩坡体失稳。USGS 记录到 M5.2 地震信号,并判定该信号由崩塌本身产生,而非地震触发崩塌。源区高程报道为 5200 至 5500 m。",
      "position_note_zh": "点位取自用户提供的运移路径起点(source_to_port_path.shp)。公开报道给出的位置约为 28.29°N, 85.53°E,两者相距约 2.4 km,落在同一个 ERA5-Land 格点内,不影响气温序列。待失稳区遥感解译发表后应予校正。",
      "detail_en": "Failure of a steep ice and rock slope on the north flank of Langtang Lirung. The USGS recorded an M5.2 seismic signal and concluded that the collapse generated the signal rather than an earthquake triggering the collapse. Reported source elevations range from 5200 to 5500 m.",
      "position_note_en": "The marker sits at the start of the supplied runout path (source_to_port_path.shp). Published reports place the source near 28.29°N, 85.53°E, about 2.4 km away. Both fall in the same ERA5-Land cell, so the temperature series is unaffected. This should be corrected once remote sensing of the detachment scar is published.",
      "time_local_zh": "2026-08-26 10:52",
      "time_local_en": "2026-08-26 10:52",
      "time_utc_zh": "2026-08-26 02:52",
      "time_utc_en": "2026-08-26 02:52"
    },
    {
      "id": "gyirong_port",
      "label_zh": "吉隆口岸(热索桥)",
      "label_en": "Gyirong Port / Rasuwagadhi",
      "lat": 28.279672,
      "lon": 85.377744,
      "elev_m": 1850,
      "confidence": "confirmed",
      "detail_zh": "泥石流在崩塌后约 7 分钟抵达,运移约 20 km。口岸 27 处建筑被夷平,含边检大楼,热索桥被冲毁,约 0.7 平方公里建筑区被淤埋。",
      "position_note_zh": "坐标取自公开地名数据库,精度较高。",
      "detail_en": "The flow arrived about 7 minutes after the collapse, having travelled about 20 km. It levelled 27 buildings at the port, including the border inspection hall, destroyed the Miteri bridge and buried about 0.7 km² of built-up ground.",
      "position_note_en": "Coordinates come from a public gazetteer and are reliable.",
      "time_local_zh": "2026-08-26 约 10:59",
      "time_local_en": "2026-08-26 about 10:59",
      "time_utc_zh": "2026-08-26 约 02:59",
      "time_utc_en": "2026-08-26 about 02:59"
    },
    {
      "id": "langtang_lirung",
      "label_zh": "朗塘力宁主峰",
      "label_en": "Langtang Lirung",
      "lat": 28.2556,
      "lon": 85.5178,
      "elev_m": 7227,
      "confidence": "confirmed",
      "detail_zh": "参考地标。崩塌发生在其北坡一侧。",
      "detail_en": "Reference landmark. The collapse occurred on its northern flank."
    }
  ],
  "timeline": [
    {
      "label_zh": "冰岩崩塌",
      "detail_zh": "USGS 记录 M5.2 地震信号(UTC 02:52)",
      "confidence": "confirmed",
      "label_en": "Rock-ice avalanche",
      "detail_en": "USGS recorded an M5.2 seismic signal (02:52 UTC).",
      "time_local_zh": "2026-08-26 10:52",
      "time_local_en": "2026-08-26 10:52"
    },
    {
      "label_zh": "泥石流抵达吉隆口岸",
      "detail_zh": "历时约 7 分钟,运移约 20 km,平均约 50 m/s",
      "confidence": "confirmed",
      "label_en": "Debris flow reaches Gyirong Port",
      "detail_en": "About 7 minutes and 20 km after the collapse, averaging roughly 50 m/s.",
      "time_local_zh": "2026-08-26 约 10:59",
      "time_local_en": "2026-08-26 about 10:59"
    },
    {
      "label_zh": "二次滑坡",
      "detail_zh": "M4.2 信号,约在首次崩塌后 3 小时",
      "confidence": "confirmed",
      "label_en": "Secondary landslide",
      "detail_en": "An M4.2 signal, about 3 hours after the first collapse.",
      "time_local_zh": "2026-08-26 约 13:50",
      "time_local_en": "2026-08-26 about 13:50"
    },
    {
      "label_zh": "上游堰塞湖出现溢流",
      "detail_zh": "位于吉隆口岸上游约十几公里,尼泊尔境内错坚河进入我国境内普热普强藏布的交汇处附近,海拔约 2950 m,比口岸高约 1000 m。由泥石流过后旁侧的小滑坡堵塞河道形成,并非主堆积体直接堵江。8 月 28 日 11:43 实测水面面积约 10.4 万 m²,蓄水量约 250 万 m³。尼泊尔方面通报该堰塞湖随后已溃决。官方未公布坐标,故本图不标点位。",
      "confidence": "confirmed",
      "label_en": "Barrier lake upstream begins to overflow",
      "detail_en": "About ten to twenty kilometres upstream of the port, near the confluence where the Chhochen Khola meets the Purepu Tsangpo, at roughly 2950 m and about 1000 m above the port. It formed when a small landslide beside the channel dammed the river after the debris flow, not from the main deposit itself. At 11:43 on 28 August the water surface measured about 104,000 m² and the volume about 2.5 million m³. Nepali authorities later reported that it had breached. No coordinates were released, so it is not marked on the map.",
      "time_local_zh": "2026-08-28",
      "time_local_en": "2026-08-28"
    }
  ]
}