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Re:Live feed from Iceland erupting volcano [video] by nlh on Monday March 22, 2021 @03:56PM (#26545977)
I'd add one anecdote: I went hiking on one of the Hawaiian volcanos a few years ago and got up close with some active (but extremely slow-moving) lava. Here's a pic of me poking it with a stick:

https://imgur.com/DuwuCg1

What amazed me was the absolute sheer about of heat generated from that one TINY little patch. Like, as intense as standing in front of a pizza oven going at full blast. I could stand about ~15 seconds of it once I exposed the molten part, and then I had to step away. Overall in the area it was warm - mostly because it was Hawaii and hot out! - but also because of general ambient warmth. But it was just that - warmth.

But when I exposed that piece of molten lava - that was HEAT.

Re:Live feed from Iceland erupting volcano [video] by onychomys on Monday March 22, 2021 @05:31PM (#26547423)
I'm sure it was safer than it looked, but holy smokes, I'd worry so much about breaking through the crust there.
Re:Live feed from Iceland erupting volcano [video] by nlh on Monday March 22, 2021 @05:40PM (#26547560)
Me too! But we were with a local guide who walked out on the lava crust every day, so I kinda had to trust him.

Although the soles of my sneakers were semi-melted by the end of the day. I blame my sneakers more than anything (cheap, lowish melting point rubber), but still....