A glacier collapse caused a flash flood on the Nepal-Tibet border, killing at least 469 people, scientists tell the reporter.
科学家告诉记者，尼泊尔与西藏边境的冰川崩塌引发了山洪，造成至少469人死亡。
Initial reports blamed an earthquake-triggered landslide, but the USGS confirmed it was a "glacial collapse."
最初的报告归咎于地震引发的山体滑坡，但美国地质调查局确认这是一次“冰川崩塌”。
The impact registered magnitude 5.2.
冲击力达到了5.2级。
Dr Simon Cook said the lower part of a glacier near Langtang Lirung peak—15km west of the flood site—collapsed and moved downstream.
西蒙·库克博士说，朗塘里朗峰附近（洪水地点以西15公里）的冰川下部崩塌并向下游移动。
ICIMOD analysis found an "ice-rock avalanche" sent debris into the Lende Khola river, causing a sudden surge.
国际山地综合发展中心的分析发现，一次“冰岩雪崩”将碎屑送入Lende Khola河，导致突然的洪水。
Water levels rose 7–9 metres in 30 minutes, washing away monitoring stations.
水位在30分钟内上涨了7至9米，冲走了监测站。
Professor Mike Searle said the process may have taken hours or days.
迈克·塞尔教授说，这一过程可能持续了数小时或数天。
Steep valleys funnelled water at higher speeds.
陡峭的山谷使水流速度更快。
The cause remains unclear.
原因尚不清楚。
Searle linked it to tectonic uplift and climate change.
塞尔将其与构造抬升和气候变化联系起来。
Rising temperatures accelerate melt, making collapses more likely.
气温升高加速融化，使崩塌更可能发生。
ICIMOD found Himalayan glaciers are losing ice at double the rate since 2000.
国际山地综合发展中心发现，自2000年以来，喜马拉雅冰川的冰损失速度翻倍。
Similar events occurred in India, Switzerland and Italy.
类似事件发生在印度、瑞士和意大利。
In 2021, a collapse in India killed 200 people—equal to 15 atomic bombs.
2021年，印度的一次崩塌造成200人死亡，相当于15颗原子弹的威力。
ICIMOD's Azam said cryosphere hazards are "becoming more visible than ever before."
国际山地综合发展中心的阿扎姆说，冰冻圈灾害“比以往任何时候都更加明显”。
Dr Cook added that warming destabilises high mountain environments, leading to more landslides, debris flows and glacier collapses.
库克博士补充说，变暖使高山环境不稳定，导致更多的山体滑坡、泥石流和冰川崩塌。
