Overview
- The latest burst began the evening of Dec. 23 and ended just after 2 a.m. HST on Dec. 24, lasting nearly six hours, according to USGS.
- Lava jets rose roughly 1,000–1,400 feet from north and south vents inside Halemaʻumaʻu, with activity documented on live USGS cameras.
- USGS counted the event as the 39th fountaining episode of 2025, aligning with the eruption’s one-year mark.
- Scientists describe the recent intermittent pattern as comparable to activity observed from 1983 to 1986.
- Gas and ash plumes were visible from space, while impacts remained localized to the summit area within the park.