Episode 31 of the ongoing Halemaʻumaʻu eruption ended at 2:52 a.m. on Saturday after 12.6 hours of continuous fountaining.

During this episode, lava fountains from the north vent reached up to 325 feet.

Approximately 10,900,000 cubic yards of lava erupted at an average of 240 cubic yards per second during the fountaining phase. Lava flows from this episode covered more than 75% of the floor of Halemaʻumaʻu within the southern part of Kaluapele.

Most episodes of Halemaʻumaʻu lava fountaining since the eruption started on December 23, 2024, have continued for around a day or less and have been separated by pauses in eruptive activity lasting generally at least several days.

No changes have been detected in the East Rift Zone or Southwest Rift Zone.

Kīlauea Volcano Alert Level/Aviation Color Code remain at WATCH/ORANGE. All current and recent activity is within Hawaiʻi Volcanoes National Park.

 

Photo credit: USGS