Iconic for its size and striking appearance, the sprawling Yellowstone caldera came into being as a result of two massive eruptions from the Yellowstone supervolcano that occurred approximately 630,000 years ago, according to new research. Geologists from University of California Santa Barbara (UCSB) made this discovery when they uncovered new evidence of the two massive eruptions in the Santa Barbara Basin, which was uniquely suited to capture a long-lasting record of volcanic activity. The record...
from Inhabitat - Green Design, Innovation, Architecture, Green Building https://inhabitat.com/turns-out-two-giant-volcanic-eruptions-formed-yellowstones-iconic-caldera
via Inhabitat
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