Wed, 07/31/2024 - 12:00 Gizmodo Geologists say the underground blast at Yellowstone on July 23 was caused by a buildup of steam and hot water, which propelled rocks hundreds of feet into the air. Tags Earth Science, Eruptions, explosions, geology, geysers, National Parks, Yellowstone Source That Dramatic Yellowstone Explosion May Have Birthed a New Geyser
