Kīlauea eruption episode 45 peaks early with 300 m (1 000 feet) lava fountains and ash advisory for Kaʻū, Hawaiʻi

Lava fountains rising to 300 m (1 000 feet) and an ash plume reaching 5 000 m (16 500 feet) marked the onset of episode 45 at Kīlauea on April 23, 2026, triggering an ashfall advisory for Kaʻū. Activity remained confined within Halemaʻumaʻu as fountain heights stabilized after an early peak. Source