Sympathetic Trigger:
When an avalanche descends, especially in very unstable conditions, it can trigger avalanches
on other nearby slopes. Don’t confuse sympathetic trigger
with related terms of “remote” trigger, meaning
an avalanche triggered by a person some distance away or “stepping
down” where a smaller avalanche breaks down into a deeper
weak layer. Sympathetic triggers usually mean that the snowpack
is especially unstable and you can trigger other avalanches
easily.
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