The Icelandic Meteorological Office said that the eruptive fissure was about half a mile long but did not pose a threat to people or infrastructure.

The volcanic fissure that opened up in Iceland early Wednesday has now expanded, and stretches further north than at any time since 2023.Lava and toxic gas continue to spill from the latest eruption on the Reykjanes Peninsula.

A volcano in Iceland erupted on Wednesday, July 16, 2025 near the Reykjanes Peninsula in Iceland. Intense seismic activity before the Sundhnukur volcano eruption prompted Icelandic authorities to evacuate surrounding areas, including hotels and the popular ...