"Surprising Discovery: Yellowstone's Upper Magma Reservoir Contains 28% Molten Rock"
A team of geologists and seismologists has used seismic wave data to measure the content of the Yellowstone magma reservoir and found that the upper part is approximately 28% melted rock, higher than previous estimates. The percentage of melt in the reservoir is important for assessing the risk of volcanic eruption, and this new measurement aligns with prior assessments indicating a low risk of eruption in the park.