Volcanos

[Lord Avalon]

Kilauea V3 cam has a good view of the fountaining out of both vents.

[Lord Avalon]

So there actually isan October 1 update, 0113 local:

"Episode 34 of the ongoing Halemaʻumaʻu eruption began at 12:53 a.m. HST on October 1. Low lava fountains, approximately 30 feet (10 meters) high began feeding lava flows from the north vent at 11:43 p.m. HST on September 30.  Fountains began to increase in size and volume along with the onset of deflation at 12:53 a.m. HST October 1. Fountains are currently up to 330 feet or 100 meters and inclined slightly to the northeast."

[Lord Avalon]

Looks like it's over: S vent stopped 0701 local, N vent 0703.

[Lord Avalon]

From the new update:

"Episode 34 of the ongoing Halemaʻumaʻu eruption ended abruptly at 7:03 a.m. HST on October 1 after just over 6 hours of continuous fountaining.

The north vent began continuous fountaining at 12:53 a.m. HST on October 1, and stopped erupting at approximately 7:03 a.m. HST, marking the end of the episode. The south vent erupted between 1:45-7:00 a.m. HST. Lava fountains from the north vent were inclined to the northeast, while lava fountains from the south vent were vertical and reached up to an estimated 1300 ft (400 m) during this episode. Approximately 8.9 million cubic yards (2.5 billion gallons) were erupted during episode 34. Volcanic gas emissions have greatly decreased. Lava flows from this episode on the floor of Halemaʻumaʻu within the southern part of Kaluapele (Kīlauea caldera) may continue to exhibit slow movement or incandescence as they cool and solidify over the coming days.

The Uēkahuna tiltmeter (UWD) recorded about 26 microradians of deflationary tilt during this episode. The end of the eruption was coincident with a rapid change from deflation to inflation at the summit and a decrease in seismic tremor intensity."

[Lord Avalon]

Fromanother update:

"During the lapse in appropriations, the USGS Hawaiian Volcano Observatory (HVO) continues to maintain monitoring networks and issue updates and notifications of volcanic activity via the Hazard Notification Service. Volcano monitoring data will continue to be available on the HVO website. Static website content will not be updated until further notice and information may become outdated over time. For more information on the shutdown, please visit the Department of the Interior website at www.doi.gov."

...

"Lava fountains within the north vent began to increase in size and volume along with the onset of deflation at 12:53 a.m. on October 1, marking the start of episode 34. Lava fountains from the north vent increased in vigor quickly, reaching up to 330 feet or 100 meters and were inclined slightly to the northeast. At 1:45 a.m. HST on October 1, the south vent began erupting and became the dominant fountain as the episode progressed, reaching vertically up to an estimated 1300 ft (400 m). Fountaining from both vents persisted for just over 6 hours but gradually declined in height.  The two vents generated lava flows that covered a large portion of the western part of Halemaʻumaʻu crater floor with channelized lava flows. The south vent stopped erupting at approximately 7:00 a.m. and the north vent followed shortly after at 7:03 a.m. HST, marking the end of episode 34. Deflationary tilt at UWD totaled approximately 26 microradians during the fountaining, with an estimated volume of approximately 12 million cubic yards (9 million cubic meters or 2.5 billion gallons) of lava erupted overnight. The dual fountains also produced a record combined effusion of 500 cubic yards per second, about twice the maximum eruptive rate measured in previous episodes."

[Buster's Uncle]

[Buster's Uncle]

Interesting.  A lot of crusted lava slumping downhill overnight - but does that account for the lump up on the rim?

[Lord Avalon]

I'd say that's from the south vent fountaining.

[Buster's Uncle]

Check ca 5:29...

[Lord Avalon]

Can you explain what you mean, because I'm not sure?

[Buster's Uncle]

There's something like four significant-looking lava flows from that peak overnight, one since dawn.

[Lord Avalon]

There's a crust on top, but still hot lava underneath. The crust wasn't solid enough to hold together, then gravity takes effect.

[Lord Avalon]

It's gonna be a minute before the next episode.

"Kīlauea's summit region resumed inflation following the end of episode 34, indicating that another fountaining episode is likely to start between October 15 and 20."

[Lord Avalon]

From the Th Oct 16 update:

"Precursory low-level activity for episode 35 of the ongoing Halemaʻumaʻu eruption increased this morning, October 16, 2025, with a series of lava overflows and drainbacks occurring from the south vent.

Seven lava overflow-drainback events occurred between 7:47 AM and 1:00 PM HST. A table of event times and durations is provided below. Each overflow produced short, channelized lava flows that flowed onto the crater floor. Each overflow event ended with lava suddenly draining back into the south vent. The drainbacks were immediately preceded by a short burst of spattering or small fountaining in the vent.

Additional overflow-drainback events are expected in the coming hours and days, possibly with increased frequency and/or duration. Similar events occurred during the days leading up to the onset of previous episodes. Approximately 100 overflow-drainback events were observed prior to episode 34 fountaining. Precursory activity prior to previous fountaining episodes has lasted from a few hours to a few days and has included eruptive vent spattering, small dome fountains, lava overflows, and lava drainbacks. Current activity therefore suggests that episode 35 fountaining is likely to begin within the next few days."

Follow link for details on overflows.

[Lord Avalon]

There were 6 other overflow events between ~1554-1611, and 2252-2309. Longest one was ~1816-1839. Local times.