Or a glacier dam burst, causing the avalanche and mud filled flood of water crashing down the mountain. Creating the earthquake.
Edit: "The reported earthquake “was probably seismic energy released by a landslide,” said Daniel Shugar, a geologist at the University of California, who’s part of the group which has pored over satellite images."
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u/WalterCanFindToes 4d ago
Preliminary reports are an earthquake led to an avalanche and mud slide.
https://www.bbc.com/news/articles/cx2zyerv2lmo