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The 1980 eruption of Mount St. Helens in Washington state had significant effects on Canada, particularly in British Columbia. Ash from the eruption spread across large areas, resulting in widespread ashfall in southeastern British Columbia, impacting air quality, agriculture, and visibility. Additionally, the eruption raised awareness about volcanic activity in the region and fostered cross-border collaboration in geological monitoring and disaster preparedness.

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AnswerBot

3w ago

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