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Jan 28, 2025: When the Seventh Eruption Ended at Kilauea Volcano, Hawaii
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- Published on May 12, 2025
- USGS Report: Episode 7 of the ongoing Halemaʻumaʻu eruption began at 6:41 pm HST on January 27 and is currently feeding a small flow onto the crater floor.
Episode 7 was preceded by small, sporadic spatter fountains that began at approximately 1:30 p.m. and continued to increase in intensity until 6:41 p.m., when sustained fountaining began. Fountains from the north vent are 100-120 feet (30-40 meters) high and feeding multiple lava streams at 7:40 pm HST. The flow had covered 15-20% of the crater floor this time. A small fountain can be seen in the south vent and there is a small lava flow emerging from the south side of its cone at 7:35 p.m. HST on webcams.
Inflationary tilt at the summit recovered the 2.5 microradian tilt loss during episode 6 by 3:00 p.m. on January 27 and had increased another 0.5 microradians just before episode 7 started. Seismic tremor began increasing and tilt at UWD switched from inflation to deflation at about 6:40 p.m. about the same time lava flows began erupting onto the crater floor.
No changes have been detected in the East Rift Zone or Southwest Rift Zone.
Each episode of lava fountaining since December 23, 2024, has continued for 13 hours to 8 days and episodes have been separated by pauses in eruptive activity lasting a less than 24 hours to 12 days. Based on the durations of episodes 5 and 6 and the short pauses that separated them, episode 7 will probably last 10-20 hours.
HVO continues to closely monitor Kīlauea and will issue an eruption update tomorrow morning unless there are significant changes before then.
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Sound is not live and is recorded from a previous eruption.
Main Source: USGS
I had to leave for a bit, come back and YIKES !!!
Oh how lovely!
Have we got a different angle this time? I feel like we're closer
Zoomed in a.bit
What makes the lava churn like that ? What gives lava energy to rise ? Like By itself, that’s amazing
Magmatic gases. When the gases are depleted, there’s nothing to drive the eruption.
Gases and pressure
Gas is a big part of it. Pressure on the magma is relieved as it rises so the gas expands. It's like opening a shaken can of soda.
Deeper down, pressure from the weight of the rock on top of it drives it upward.
😅