<Table> <Tr> <Th_colspan="2"> 1980 eruption of Mt . St. Helens </Th> </Tr> <Tr> <Td_colspan="2"> Photograph of the eruption column, May 18, 1980 . </Td> </Tr> <Tr> <Th> Volcano </Th> <Td> Mount St. Helens </Td> </Tr> <Tr> <Th> Date </Th> <Td> May 18, 1980; 38 years ago (1980 - 05 - 18) </Td> </Tr> <Tr> <Th> Time </Th> <Td> 8: 32 am PDT </Td> </Tr> <Tr> <Th> Type </Th> <Td> Plinian, Peléan </Td> </Tr> <Tr> <Th> Location </Th> <Td> Skamania County, Washington, U.S. 46 ° 12 ′ 1" N 122 ° 11 ′ 12" W ﻿ / ﻿ 46.20028 ° N 122.18667 ° W ﻿ / 46.20028; - 122.18667 </Td> </Tr> <Tr> <Th> VEI </Th> <Td> 5 </Td> </Tr> <Tr> <Th> Impact </Th> <Td> Approximately 57 deaths, about $1.1 billion in property damage; caused a partial collapse of the volcano's flank, deposited ash in 11 U.S. states and five Canadian provinces </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Td_colspan="2"> Map of eruption deposits </Td> </Tr> </Table> <Tr> <Th_colspan="2"> 1980 eruption of Mt . St. Helens </Th> </Tr>

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