One of the world’s most famous volcanoes has erupted violently, producing a rare phenomenon and prompting aviation authorities to raise the travel threat level.

This image from webcam footage provided by the United States Geological Survey (USGS) shows lava fountains shooting up high in the latest episode of an ongoing eruption of Kilauea volcano inside Hawaii Volcanoes National Park on Wednesday, June 11, 2025. (United States Geological Survey via AP)