Geology, Earthquakes and Volcanos
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Lanx
<Prior Amod>
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Gravel
Mr. Poopybutthole
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Looks like the majority of the quakes in PNG are off the coast, but more importantly, like 50 to 200km deep. Which makes them feel very different than a land based one 10km down. It also depends on the direction the earthquake "rips." The energy gets directed mostly in one direction (it radiates for sure, but one direction generally gets more damage).
It also depends on where you're at. Earthquakes have two waves and they travel at different speeds. The 7.1 that I was near the epicenter of had incredibly violent shaking. By the time it go to LA though, the two waves "split" and so they get the first wave, and then the second immediately after. It leads to longer shaking, but much less actual shaking (one because of distance, but two because the two waves aren't on top of each other).
And I'll say we didn't really have any trees fall over that I'm aware of. Which is kind of surprising with how violent it was. Then again, we also barely had anything in the house break somehow.
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latheboy
Trakanon Raider
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Big Phoenix
Pronouns: zie/zhem/zer
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Can we get Greta to yell at that mountain and tell it to stop spewing all that insane amount of CO2, Sulfur and various other greenhouse gases into the atmosphere?
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Zindan
Ahn'Qiraj Raider
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How about we feed Greta to the hungry volcano, it will probably be a win/win.
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Gamma Rays
Large sized member
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My sister lives out in the countryside. She sort of thinks she heard the noise from the Volcano. She is still like "maybe it was" but if she's right, pretty awesome.
Outside in her garden and thought she heard an odd distant thunder noise. Even at the time she thought it didn't sound normal, then the news started to fill with stories of the volcanic explosion in Tonga. That's when she made the link.
She lives in Northern NSW, I used the town of Lismore which is 20 minutes drive away as it the distance calculator on google knows the place.
Outside in her garden and thought she heard an odd distant thunder noise. Even at the time she thought it didn't sound normal, then the news started to fill with stories of the volcanic explosion in Tonga. That's when she made the link.
She lives in Northern NSW, I used the town of Lismore which is 20 minutes drive away as it the distance calculator on google knows the place.
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Big Phoenix
Pronouns: zie/zhem/zer
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Probably a decades worth of reducing greenhouse gas emissions completely undone in an hour.
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Aaron
Goonsquad Officer
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Not really. They heard it in Alaska. When Krakatowa erupted in the 19th century the sound is said to have been heard thousands of miles away.
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Masakari
Which way, western man?
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It's amazing we haven't had anything as big as that one in recent time. Send us into a couple years of colder weather to shut the climate change people up for a bit.
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Aaron
Goonsquad Officer
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Not just eruptions like these. You also have the periodical eruptions in places such as Iceland that happen once every few hundred years and fuck up the European climate. For example, the Laki eruption in the 1780s is said to have directly caused the French Revolution. Then you have stellar events such as the Tungaska event, or the Carrington event. If anything, the past 100 years or so have been unusually calm on Planet Earth, meaning we have become complacent to the danger around us, and how any one of these events happening anywhere near "civilisation" could seriously fuck up life for a large number of people for a long time.
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Masakari
Which way, western man?
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Earthquakes, tsunamis, volcanoes, celestial bodies, it really is crazy how we've been able to go get by without something significant happening. And as you point out, any of that happening around a major area would be insane. Can you imagine Tunguska over LA, NYC, London, Moscow, or Beijing? Yikes. We're due for a significant hardship.
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