January 29, 2026—Summary map of tephra fall after episode 41 lava fountaining at the summit of Kīlauea

This map shows the tephra fall associated with episode 41 of Kīlauea's episodic summit eruption, on January 24, 2026. Tephra is a generic word for any material erupted by a volcano that travels through the air before landing on the ground. Most tephra fall from past lava fountaining episodes has landed in the closed area of Hawaiʻi Volcanoes National Park, southwest of the eruptive vents, with several instances of tephra fall documented at communities in the District of Kaʻū. During episode 41 on January 24, lava fountains from the north and south vents in Halemaʻumaʻu at the summit of Kīlauea reached up at least 450 m (1475 feet). Weak surface winds in combination with stronger upper-level winds blowing to the east and north resulted in widespread tephra fall in communities to the northeast and east within the Districts of Kaʻū, Puna, and South Hilo.