USGS HVO reports Kīlauea’s Episode 39 fountaining began 8:20 p.m. HST Dec 23 and ran just under 6 hours, ending about 2:13 a.m. HST Dec 24. Peak fountain height was about 1,400 feet (425 m).
Sources:
USGS Volcano Notice - DOI-USGS-HVO-2025-12-24T17:59:20+00:00
Sources:
