00:00Scientists map hidden magma cap beneath Yellowstone's steaming geysers.
00:05Yellowstone geysers steam above a hidden magma cap.
00:09Scientists mapped hot rock beneath Yellowstone National Park with seismic waves and computer
00:14models.
00:15A heavy seismic truck shakes Yellowstone ground, and sensors record tiny vibrations traveling
00:21through rock below geysers and springs.
00:23A volatile, rich magma cap sits about 3.8 kilometers underground, where partially molten
00:30rock traps heat and gases.
00:33Yellowstone's magma reservoir releases gas through porous rock, and that steady venting
00:38can reduce pressure under the caldera.
00:40Rice University researchers mapped the cap with teams from New Mexico, Utah, and Texas
00:45at Dallas in 2025.
00:47A deeper Yellowstone magma source may rise from shallow mantle flow, according to two
00:532026 modeling from Chinese Academy researchers.
00:57The model sends magma northeast beneath the caldera instead of feeding Yellowstone only
01:02from a deep vertical plume.
01:04Yellowstone's past supereruptions spread ash across North America, and scientists classify
01:10supereruptions above 1,000 cubic kilometers of material.
01:14University of Utah researchers describe the current eruption hazard as unchanged, even as
01:20the underground picture grows clearer.
01:22Old Faithful erupts above boardwalks, while hidden cracks, reservoirs, and hot fluids move
01:28far below tourist cameras.
01:31Magma caps, gas vents, seismic sensors, and computer models turn Yellowstone from a mystery
01:37into a watched volcanic system.
01:40A steaming geyser rises into blue Wyoming sky, while instruments listen beneath the ground.
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