Lava Creek Tuff eruption

E709121

The Lava Creek Tuff eruption was a massive supereruption at Yellowstone about 640,000 years ago that created the current Yellowstone Caldera and deposited extensive volcanic ash across much of North America.

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Statements (39)

Predicate Object
instanceOf supereruption
ashDistribution much of North America
associatedWith Lava Creek Tuff member of Yellowstone Group NERFINISHED
calderaDiameter approximately 45 by 75 kilometers
cause Yellowstone mantle plume activity
created current Yellowstone Caldera outline
depositType ignimbrite
welded tuff
erupted Lava Creek Tuff NERFINISHED
eruptionSequence third major caldera-forming eruption of Yellowstone hotspot in last 2.1 million years
eruptionStyle ignimbrite-forming pyroclastic flows
plinian
eruptionType caldera-forming eruption
formed Yellowstone Caldera NERFINISHED
geologicAge Late Pleistocene
hazardType ash fall
caldera collapse
pyroclastic flows
impact major reshaping of Yellowstone Plateau topography
widespread tephra layer in continental sedimentary records
location United States of America
surface form: United States

Wyoming NERFINISHED
Yellowstone National Park NERFINISHED
magnitude supervolcanic
partOf Yellowstone volcanic system NERFINISHED
precededBy Huckleberry Ridge Tuff eruption NERFINISHED
Mesa Falls Tuff eruption NERFINISHED
produced extensive volcanic ash fall deposits
relatedProcess crustal magma chamber evacuation
resultedIn long-lived hydrothermal system at Yellowstone
post-caldera rhyolitic lava flows within Yellowstone Caldera
significance one of the largest Quaternary eruptions in North America
studiedBy United States Geological Survey NERFINISHED
Yellowstone Volcano Observatory NERFINISHED
tephraCorrelation marker bed in Pleistocene stratigraphy of North America
time about 640,000 years ago
VEI 8
volcanicField Yellowstone Plateau volcanic field NERFINISHED
volcanicProvince Yellowstone hotspot NERFINISHED

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Yellowstone Caldera previousCalderaFormingEruption Lava Creek Tuff eruption