Halemaʻumaʻu Eruption Episode 32 on September 2, 2025

20250902 Episode 32
FHVNP Photo / Hunter Binkley

Hawaiian Volcano Observatory: Episode 32 of the ongoing Halemaʻumaʻu eruption began at 6:35 a.m. HST on September 2. At that time, north vent dome fountains transitioned into taller lava fountains, which have since become inclined at about 45 degrees northeast, similar to but less inclined than those of episode 31. Current fountains are about 500 feet (150 meters) high and arcing an equivalent distance into Halemaʻumaʻu crater. Past episodes have produced incandescent lava fountains over 1,000 feet (300 meters) high and the eruptive plume is currently 9000 feet (2700 m) above ground level up to 20,000 feet (6,000 meters) above ground level. According to the National Weather Service, winds are blowing from the northeast direction today, which suggests that volcanic gas emissions and volcanic material will be distributed to the southwest of Halemaʻumaʻu crater. If the fountains remain inclined ash and tephra will be greatly reduced but high SO2 gas emissions may impact communities to the south and west of Kīlaueaʻs summit.