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Observations for 2025 September 06


With intervals averaging around eight hours, Grand has locked itself into erupting around the same time of day, every day. Right now that means just before dawn, middle of the day, and just after dark. This morning, I was fully dressed and about to head out the door when I saw that the webcam was reporting Grand in eruption. So time to undress and get a couple more hours of sleep.

Went over to Geyser Hill to try and get some video recordings. Did get another eruption of Slot, and could have gotten a Lion initial if I had been paying attention. With the huge crowd forming after the start of Beehive's Indicator, I decided to try and do a video from Sponge. With the smokey haze creating a white background for the white eruption column, it's probably not the greatest.

Early afternoon it was time again for the mid-day Grand eruption. Which turned into the late afternoon Grand eruption.

I got out to the Grand Group with West Triplet in eruption. When that ended without an eruption of Rift, I figured we had a bit of a wait until the next West Triplet eruption. That took place over three hours later, after a long series of quick fills by Grand, followed by low pool waves and short Turban eruption intervals and durations.

During the wait we also got to see a Castle minor eruption and three Daisy eruptions.

West Triplet finally erupted again, with no real change in Grand's behavior. Finally Rift started to erupt, and then we got the One Burst Grand eruption another two Turban eruptions after that. The eruption lasted almost exactly ten minutes, but at least Vent & Turban continued.

2025-Sep-06 : 17:36:45 T1C

 17:36:09	Vent Ovfl	-0m36s
 17:36:12	Turban	-0m33s
 17:36:37	Boop	-0m08s
 17:36:45	B1	--- d=10m01s
 17:38:52	Vent	2m07s
 17:46:46	P1	10m01s
Vent & Turban continue

				     	ΣD=10m01s
	* * * * *
 13:03:02			
 13:19:53	Int: 16m51s	d=03m53s 	
 13:36:22	Int: 16m29s	d=03m27s 	
 13:53:59	Int: 17m37s	d=03m36s 	
 14:12:21	Int: 18m22s	d=03m35s 	
 14:30:08	Int: 17m47s	d=03m13s 	
 14:47:34	Int: 17m26s	d=03m37s	
 15:04:50	Int: 17m16s	d=03m24s	
 15:21:37	Int: 16m47s	d=03m06s	
 15:38:00	Int: 16m23s	d=03m04s	
 15:55:49	Int: 17m49s	d=03m31s	
 16:11:10	Int: 15m21s	d=02m54s	
 16:14:23	West Triplet d=01h00m 
 16:28:18	Int: 17m08s	d=03m09s	
 16:45:08	Int: 16m50s	d=03m01s	
 16:55:31	Rift
 17:02:56	Int: 17m48s	d=02m42s	
 17:20:03	Int: 17m07s	d=03m30s  	
		     Turban: 16m09s