|
gptkbp:instanceOf
|
gptkb:volcanic_activity
|
|
gptkbp:affectedArea
|
Washington, Oregon, Idaho, Montana
|
|
gptkbp:ashColumnHeight
|
24 km
|
|
gptkbp:ashfallReached
|
gptkb:Canada
gptkb:Minnesota
gptkb:Oklahoma
|
|
gptkbp:casualties
|
57
|
|
gptkbp:cause
|
lahars
pyroclastic flows
massive landslide
widespread ashfall
|
|
gptkbp:commemoratedBy
|
gptkb:Mount_St._Helens_National_Volcanic_Monument
|
|
gptkbp:date
|
1980-05-18
|
|
gptkbp:destroyedBy
|
gptkb:infrastructure
gptkb:Spirit_Lake
forests
hundreds of homes
|
|
gptkbp:evacuations
|
thousands
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Mount St. Helens 1980
|
|
gptkbp:influenced
|
volcano monitoring practices
|
|
gptkbp:location
|
gptkb:Skamania_County,_Washington,_United_States
|
|
gptkbp:mediaCoverage
|
extensive
|
|
gptkbp:monitors
|
gptkb:United_States_Geological_Survey
|
|
gptkbp:notableFor
|
largest volcanic eruption in the contiguous United States in the 20th century
|
|
gptkbp:notableVictim
|
gptkb:Harry_R._Truman
|
|
gptkbp:precededBy
|
bulge on north flank
earthquake swarm
|
|
gptkbp:resultedIn
|
loss of summit
new crater
|
|
gptkbp:studiedBy
|
volcanologists
|
|
gptkbp:summitElevationAfter
|
2,549 m
|
|
gptkbp:summitElevationBefore
|
2,950 m
|
|
gptkbp:triggeredBy
|
gptkb:earthquake
|
|
gptkbp:VEI
|
5
|
|
gptkbp:volcanoType
|
gptkb:Mount_St._Helens
|
|
gptkbp:volumeOfEjecta
|
1.0 km³
|
|
gptkbp:bfsParent
|
gptkb:Cascade_Volcanoes
|
|
gptkbp:bfsLayer
|
6
|