As my first eruption encounter, I didn’t expect to experience several things like the heat even from a long distance, enough to keep me warm in my shorts at 60F, and the loud rumble, like a giant waterfall. The flow of lava was way faster than I expected too, almost like oil.
Mind blown.
It’s because the hotspot has a chemical composition that is generally low in dissolved gasses and very liquid/flows well. (Lots of silicates I think?)
It tends to come out nicely and stay liquid as it leaves, so vents don’t plug up. Also, because of the relatively low dissolved gasses, pressure doesn’t spike as high when it’s flowing out of the chamber like many other magmas do, causing explosions.
Hawaii exists basically because it’s great for building up islands/mountains without blowing them up as part of the process.
Your initial post read the other way, which the parent post is addressing.
Is there anything comparable to the overview effect [1] that attends seeing a lava fountain in person?
Amazing experience. A bunch of us were stupid as can be, but got as close as approx 50 m. Sounds really dangerous, but the sputter were not that violent yet, and the ground sloped away from us. Still, really stupidly dangerous (the sputter wall could've broken down, wind direction change, etc). But it didn't. Lots of moss fires, and walked into a small slope and immediately felt a sting in my nose and lungs from trapped gases so took that as a nope and went back.
Started walking back at 0130 something, boarded flight at 0600, fainted (I had done Mt Esja in the morning too). Sorry other passengers, it was inconsiderate of me and I was an asshole for that. But... that experience...!
But then he said - we close at 5pm, and there are no gates. OK, we can take a hint.
We drove to Hilo and bought cheap tennis and flashlights, then scurried back down Chain of Craters after 6. As the sky darkened, we walked towards the steam column. The rocks beneath our feet showed incandescent glows deep in the cracks, and we started to smell burned rubber from our cheap tennis. Eventually, we came to the lava outfall.
We watched nearly an hour as a river of molten rock cascaded into the ocean. We used our water bottles on our shoe soles, turning back when we ran dry.
I now understand that we were stupid - apparently the park loses a few tourists to shelf collapse each year - but we lived, and the memory is a treasure. Thank you, Mr. Ranger.
And yes, it's like being on a different planet - like being on our own, maybe 4 billion years ago.
just food for thought. I'm not about to say one should lead a safe and sterile life, but there is more to it than direct dependents.
They know the danger and chose the job. That's the relevant bit.
When I was there, this happened in the area that the rangers guided us to. There was an active flow of pāhoehoe at the time, which we could get as close to as we wanted - the heat was a strong disincentive to doing anything dumb. We were warned at the start that shoes with rubber soles would be ruined, but that warning was too late for me and I had no alternative. It was certainly worth the price of a pair of sneakers though.
The only comp to this is like the transition in Max Max from the desert to the oasis.
Tourists that drive to the crater, take pictures, and drive down have no idea what they're missing.
Park in the lower lot, hitchhike to the top (or get someone else to drive you), and then you can hike back up to your car the next day on the switchbacks.
Do not attempt to hike up the sliding sands trail you took down, it's *very rough*.
And for some reason blather on and on loudly up there when the most mind blowing sunsets are happening. Can we not be silent for 15 minutes and look at the universe doing it's thing?
That said, I second visiting the Big Island and visit various sites. Driving less than an hour and going from barren volcanic landscapes to lush rainforests was something else, and watching the sunset from Mauna Kea was magical. And lots of great beaches, and most that weren't next to a resort had very few people.
While the island is big relative to the other Hawaiian islands, its small enough that you can drive around it in a day.
I'd recommend staying on the Kona side, which is the dry and somewhat barren side. The Hilo side has rainforests for a reason.
I loved going up Mauna Kea visitor center and stargazing. At ~11,000 feet, it's one of the best places in the world for naked eye stargazing. You're literally above the clouds, the island has strict rules about exterior lights at night to minimize light pollution, and you're above the thickest air. I wasn't expecting to see the Milky Way so easily.
https://en.wikipedia.org/wiki/Milky_Way#/media/File:Milky_Wa...
Also, I recently visited Mt. Aso in southern Kyushu of Japan and it really felt like I was on Mars.
* The steam from lava should be arising from where the lava hits the lava, boiling it--there's not going to be any steam from the interior of a lava tube, because all of the water will have boiled out long ago.
* It looks like somebody dumped a photo of a black rock field on top of a different image. There's a sploch of a normal tan-sand beach at the base of part of this cliffs; in recent lava activity, the lava will extend fully into the ocean and collapse. Given that the edge of the lava is a) pretty towering and yet b) some distance from the sea.
* The lava activity in the extreme foreground is pretty sketchy. It's not entirely implausible to have lava flowing into a pit like that in some fashion, but there's also no clear source from the lava, and real Hawaiian lava flows tend to look somewhat different than that.
* Lava flows downhill from a rift zone. Where's the rift zone here? It's basically a wall of black rock. Photogammetry is not my strong suit, but the presumably dried lava is towering above the treetops in the distance, and yet there's no clear sense of where the lava is flowing from.
* In the background, you see something more akin to a stratovolcano (actually, might well be an eroded granite dike or some other weird formation like that as opposed to a volcano in the first place). Hawaiian volcanoes are shield volcanoes, they don't look like that. Also, Kilauea and Mauna Loa are too active to really have the deeply-eroded look like that. You have to go to Kohala on the Big Island to get that kind of look.
* Kilauea is nowhere near the ocean. (Also, shield volcano, you can't see the top from the base.)
* There's another island clearly visible in the background. None of the Hawaiian islands are close enough to each other to generally be visible from one another! And certainly not from any view of Kilauea, which is the last volcano in the chain that's above sea level. (Loihi still has another 3,000 feet to go before it pokes above the surface.)
> None of the Hawaiian islands are close enough to each other to generally be visible from one another!
Of the Hawaiian islands usually identified as "major", Molokai, Lanai, and Kaho‘olawe are all visible from Maui, and vice versa.
Many people would probably limit the list of major islands to four. Interestingly there doesn't seem to be any official term for that grouping, other than perhaps the "main islands".
the last picture from his salvaged camera is similar to what we see for this topic: https://allthatsinteresting.com/wordpress/wp-content/uploads... his camera was found under this body, with speculation that he was protecting it, which doesn't seem unlikely, but it also would not be surprising for him not to have had that presence of mind, things were happening very quickly.
After taking his final photograph, Landsburg removed the roll of film from his camera and placed it in a canister. He buried the camera and the film canister deep in his backpack. Then, he placed the backpack on the seat next to him and covered it with his body.
It was more than just jumping on top of his camera. Sounds like there’s some confidence about his intention.
I was surprised how long the camera lasted getting buried. It'd be a not good end.
We have a lot of stratovolcanoes around the pacific rim so it's eruptions like those that we should compare with Pompeii, and not really Hawaii.
The two categories also produce, in general, different kinds of rock.
Here is a pyroclastic flow from two weeks ago. In the first minute you can watch it boil a rainforest to tree trunks. That is an insane amount of heat to do that, green stuff is full of water and doesnt like to burn.
Weirdly if you are going to be hit by a pyroclastic flow then it won’t be moving across your field of view at all. It’ll just be getting bigger and angrier–looking for the minute or two that you have left in your life.
This is what a pyroclastic flow looks like.
My last place had a whole box full of FPGA dev boards that I would have killed to play with as an undergrad.
The real pities are in machining where what looks like a junk heap to the family may actually be a priceless trove of rare tools and irreplaceable machine parts. Not to mention lovingly-made tools and jigs. A physical cousin to unpublished software sitting on a thrown-away hard drive.
Probably the closest thing to what you're looking for is here: https://www.usgs.gov/media/images/kilauea-caldera-simplified..., which lists the age of the most recent lave flows as of 2008 (when Halema'uma'u started filling up again). The 2018 eruption caused another caldera collapse within the crater, enlarging Halema'uma'u and creating a new mini-caldera that's labeled as the "down-dropped block" in subsequent maps, e.g. https://www.usgs.gov/maps/october-5-2021-kilauea-summit-erup... ... although, since then, Halema'uma'u has erupted enough lava to more or less fill the entire down-dropped block, see, e.g., the most recent map: https://www.usgs.gov/maps/november-25-2025-kilauea-summit-er...
> A synthesized text-to-video voiceover was used in the narration for this story.
"HAWAIʻI VOLCANOES NATIONAL PARK - An incredible sight at the summit of Kilauea volcano on Saturday morning, as Episode 38 erupted enormous lava fountains across the caldera, destroying one of the webcams that was live streaming the event.
All images and video are courtesy the U.S. Geological Survey. A synthesized text-to-video voiceover was used in the narration for this story."
Now someone timejump to krakatau, year 1883 ...
The purple frames have a bunch of gradients to white, which looks a lot like what happens when the infrared filter on most color cameras is removed and a bunch of IR light is shone into then. For some reason the green cells are less sensitive to IR, which results in a purple-ish hue. So in this case, perhaps the lava striking the camera melted through the lens holder and shifted the IR filter out of place, or is just able to shine intense IR light into the gap between the filter and the sensor.
In those same frames, the dark areas with noisy borders are I believe an artifact of the CMOS sensor digitization process when cells get strongly overwhelmed. I've seen the same patterns on cameras where an extremely intense light (e.g. a laser pointer) is shone into them. It's like the cells get so overwhelmed they roll around back to zero.
The amorphous shapes at the very end are clearly from the lens being totally detached / moved out of position, allowing defocused light to hit the sensor. I didn't spot any interesting sensor or encoder death frames before the video ends, so likely the lava severed the ethernet cable or destroyed the electronics at that point.
It was an awesome video, though.
Back in 1980, my dad was sitting at his desk in Bellevue one morning when news came in that Mt. St. Helens was erupting. Him and a pilot friend had the presence of mind to head straight to the local airport and rent a plane.
"Be careful not to head South. Mt. St. Helens is erupting, and you sure don't want to get close that by accident."
"Oh, yeah, sure. No way we'd do something like that."
He has this amazing framed aerial photo of the mountain with the ash plume rising. Evidently, the flight home was pure chaos, bobbing and weaving to avoid dozens of midair collisions since every other pilot in the Seattle area had had the same idea, but 45 minutes later.
https://findyourstampsvalue.com/news/stamps-created-from-eyj...
(Stamp is marked "Bref til Evropu" - European postage)
Even 180km away from the eruption, airplanes can be seriously damaged [1].
Jet engines really, really do not like to ingest anything else than air and, maybe, a tad bit of water.
I wasn't even realizing it without reading this in the description.