A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as large rocks shot into the air has highlighted a little-known hazard that scientists hope to be able to predict someday
Surprise Yellowstone geyser eruption highlights little known hazard at popular park
![Surprise Yellowstone geyser eruption highlights little known hazard at popular park Surprise Yellowstone geyser eruption highlights little known hazard at popular park](https://mlopyzdnsnuy.i.optimole.com/cb:4wk5.1e3d8/w:auto/h:auto/q:mauto/ig:avif/id:00d42b3cb20f43eb40b9a5196e2e3694/https://tvsevennews.com/wirestory_17e575de4b9a22823d50f08086478a5b_16x9_1600-kFHKlnsurprise-yellowstone-geyser-eruption-highlights-little-known-hazard-at-popular-park-2.jpeg)