Hawaiian Volcano Observatory

Episode 36 of the Halemaʻumaʻu eruption ended at 4:16 pm HST today, November 9. The eruption lasted just over 5 hours, produced fountains over 1000 feet high and eruption 10-11 cubic yards of lava that covered over half of the crater. View All Messages.

Kilauea Message 2025-11-09 15:51:17 HST

The north vent quit fountaining at 3:35 p.m. South vent remained up to 1000 feet high but began dropping at 3:48 p.m. HST. Currently the south fountain is about 500 feet high. View All Messages.

Kilauea Message 2025-11-09 11:56:50 HST

Episode 36 started at about 11:15 a.m. HST when fountains from both vents and tremor began to increase rapidly. Strong deflation at the summit preceded the fountaining by 15 minutes. Fountains from both vents are now about 1000 feet high. View All Messages.

Kilauea Message 2025-11-09 11:15:12 HST

Summit began sharp deflation along with tremor increase and both vents are showing rapidly growing fountains. Episode 36 appears to be starting. View All Messages.

Kilauea Message 2025-11-04 04:38:34 HST

Lava overflowed the south vent 4 times this morning starting at around 1:40 am HST and continuing to now. Flows are 100-200 feet long. The north vent continued to fill and drain periodically and had 2 small overflows this morning. View All Messages.

HVO monitors earthquakes and the active volcanoes in Hawaii, assesses their hazards, issues warnings, and advances scientific understanding to reduce the impacts of volcanic eruptions. Communicating the results of our work to the public, emergency managers, and the scientific community is an important aspect of the HVO mission.

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