Sections SEARCH Skip to content Skip to site index Log In Science | We’re Barely Listening to the U.S.’s Most Dangerous Volcanoes A thicket of red tape and regulations have made it difficult for volcanologists to build monitoring stations along Mount Hood and other active volcanoes. Mount Hood in Oregon is one of 161 active volcanoes in the United States, many of them in the Pacific Northwest’s Cascade Range. Credit Credit Amanda Lucier for The New York Times Supported by ByShannon Hall Sept. 9, 2019 Updated 6:25 p.m. ET 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. Today, the volcano, a prominent backdrop against Portland, Ore., is eerily silent. But it won’t stay that way. Mount Hood remains an active volcano — meaning that it will erupt again. And when it does, it could unleash mudflows not unlike those from Colombia’s Nevado del Ruiz volcano… Read full this story
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