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Analysis: Tough choices when volcano monitoring runs up against wilderness restrictions

Seth Moran is worried about Mount Hood.

In the 1780s, the volcano rumbled to life with such force that it sent high-speed avalanches of hot rock, gas and ash down its slopes. Those flows quickly melted the snow and ice and mixed with the meltwater to create violent slurries as thick as concrete that traveled huge distances. They destroyed everything in their path.

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