The Seongsan Ilchulbong tuff cone has exceptional exposures of its structural and sedimentological characteristics, making it a world-class location for understanding Surtseyan-type volcanic eruptions ...

"Volcanic islands are some of the simplest landforms ... which would destabilize the tuff cone in six to seven years, leaving only a land-bridge between the two adjacent older islands.

During a field trip to the Lava Creek Tuff near Shell, Wyoming, scientists discovered evidence of two major volcanic eruptions. | Credit: USGS/Photo by Madison Myers. Scientists in Wyoming have ...

Scientists have found previously undocumented ash deposits buried beneath the Lava Creek Tuff in Wyoming — and at least one of them could be from an unknown volcanic eruption, they say.

The olivine here originates from nearby volcanic tuff cones, eroded over time and blended with the fine, flour-like sand. This remote shore, part of a UNESCO World Heritage site, is a sanctuary ...

The Hawaiian name for Diamond Head is Le'ahi. It is a tuff cone (consolidated volcanic ash) crater that was created 300,000 years ago during a single volcanic eruption that spewed ash into the air.

In 2020, scientists found the Huckleberry Ridge Tuff eruption — which ejected more than twice the amount of volcanic material as Lava Creek did — was also a phased event. Analysis of rocks at ...

Scientists in Wyoming have discovered evidence of two mysterious volcanic eruptions that are older than the last caldera-forming supereruption at Yellowstone. The ash deposits were buried beneath ...