Volcano Eruptions In 2025. Yellowstone volcano observatory scientists continue to examine data from the black diamond pool area of biscuit basin, where a hydrothermal explosion took place on july. A new volcanic eruption that started on the reykjanes peninsula in iceland, wednesday, nov.

22 of those were new eruptions that started during the year. The most recent eruption began on march 2, 2025, when lava began to pour from a circular fissure on the volcano’s southeast flank.