What big cities are most at risk from volcanoes?

Etna has been pretty active the past couple weeks. Latest news I googled was May 8th. It is classified as one of sixteen ‘Decade volcanoes’, deemed particularly dangerous. Most of them have been mentioned already, but here they are in one bundle.

Oh, that’s easy. You just draw a curve on the three points and predict the next one from that. Then say it’s overdue. Then figure out that it looks stupid if you say it’s overdue and the average is more than the time since the last one, so fudge the numbers so that the average become shorter. Nothing to it.

I’d add Jakarta to the list, since Indonesia in general looks pretty suspect to me. The whole archipelago lies right along a major subduction zone (the site of the 2004 9.0 earthquake), and there are something like 45 active volcanoes on the island of Java alone, where Jakarta is. Catastrophic eruptions have occurred there in the past two centuries, the worst being those of Tamboro in 1815 and Krakatau in 1883.

Am I the only one questioning Captain Murdoch’s intentions? It sounds like the sort of question a supervillian might ask…

Longer than that. :slight_smile:

Touché, but I meant particularly active, lava spilling and all that. Maybe I should have said erupting.

Cool list, though, huh?

Seattle lies directly in the path of a Rainier lahar flow, evidently in the past a Rainier lahar has reached the sound, which means everything between the mountain and the sound is at some serious potential risk.
yeah I live in the Seattle area, if I buy property its gonna be on a hill top some place.

Mount Ontake suddenly erupted yesterday, with at least 30 presumed dead.

Another report said the eruption was completely unexpected, which is puzzling scientists because Japan, like the USA, monitors its volcanoes very closely.

Threads, like volcanos, can arise suddenly from a long-dormant condition.

Different Mount Ontake, that I was mentioning in my post. The Mount Ontake on Sakurajima erupts all the time. Often enough it doesn’t make the news.

The Mount Ontake that erupted yesterday, is one of the tallest mountains in Japan, and sits right in the middle of Honshu. The last major eruption was 5000 years ago.

And, by the way, I can see that Mount Ontake from my house. The sky has been hazy lately, so I haven’t been able to spot it (or it’s new plume) since the eruption, though.

It’s not anywhere close to any major city. The closest is Nagoya, and it’s still about 100 km away. It is, however a popular hiking destination because it’s beautiful and despite the high elevation, it’s not a difficult trek. We’ve been having our first days of nice weather since, well, since 2013 and with the leaves starting to turn red up there, there were a lot of people on the mountain.

Wales called, they would like their vowels back …

I didn’t realize there were that many moderately active volcanoes in Hawaii. If one goes off, do any of the others sympathy rumble?
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