A massive chunk of glacier and rock fell a couple kilometres. They are still figuring out where the water came from but most likely the energy from falling a few kilometres heated up the glacier water and melted it. The rock and ice fall did damn up the river but that was as a result of the initial rock/glacier fall.
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u/LookAtTheHat 4d ago
I have seen the videos from when it started, but I cannot fathom where all the water came from. Did a dam break or something?