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so the sonic boom from Tonga pretty much travelled across the whole globe, that's amazing and scary. There's very little info from Tonga, internet is down, the undersea cable is damaged and I guess the ash would disrupt satellite communications https://twitter.com/DougMadory/status/1482377945318625294 https://twitter.com/DrAndreasS/status/1482500248702533634 https://twitter.com/DrAndreasS/status/1482500727310323714 Helith has issued a correction as of 01:02 on Jan 16, 2022 |
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Jan 16, 2022 00:59
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Helith posted:so the sonic boom from Tonga pretty much travelled across the whole globe, that's amazing and scary. this was undersea volcano right? What would have happened if it wasn’t
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Jan 16, 2022 01:11
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The date of this video is uncertain. It's a reposted video, and it may have been from the day before, which also had a large eruption, but the appearance of the ash plume seems to match that of today's eruption. https://twitter.com/MJVentrice/status/1482437044785889286 Doesn't make it any less spectacular to see that amount of earth moving, though.
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Jan 16, 2022 01:13
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Pillowpants posted:this was undersea volcano right? What would have happened if it wasn’t it is an undersea volcano but previous eruptions had formed islands around it, it looks like that new land was destroyed in this eruption https://twitter.com/KWTWeather/status/1482505432296005635
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Jan 16, 2022 01:23
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Helith posted:it is an undersea volcano but previous eruptions had formed islands around it, it looks like that new land was destroyed in this eruption I'd wonder how accurate this stuff is yet, there's a lot of ash, dust, clouds still in the area. There won't be a clear view in the visible spectrum for a while.
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Jan 16, 2022 02:00
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This volcanologist thinks it’s likely that there could be more to come https://theconversation.com/why-the-volcanic-eruption-in-tonga-was-so-violent-and-what-to-expect-next-175035 The two earlier eruptions on December 20 2021 and January 13 2022 were of moderate size. They produced clouds of up to 17km elevation and added new land to the 2014/15 combined island. The latest eruption has stepped up the scale in terms of violence. The ash plume is already about 20km high. Most remarkably, it spread out almost concentrically over a distance of about 130km from the volcano, creating a plume with a 260km diameter, before it was distorted by the wind. This demonstrates a huge explosive power – one that cannot be explained by magma-water interaction alone. It shows instead that large amounts of fresh, gas-charged magma have erupted from the caldera. The eruption also produced a tsunami throughout Tonga and neighbouring Fiji and Samoa. Shock waves traversed many thousands of kilometres, were seen from space, and recorded in New Zealand some 2000km away. Soon after the eruption started, the sky was blocked out on Tongatapu, with ash beginning to fall. All these signs suggest the large Hunga caldera has awoken. Tsunami are generated by coupled atmospheric and ocean shock waves during an explosions, but they are also readily caused by submarine landslides and caldera collapses. It remains unclear if this is the climax of the eruption. It represents a major magma pressure release, which may settle the system. A warning, however, lies in geological deposits from the volcano’s previous eruptions. These complex sequences show each of the 1000-year major caldera eruption episodes involved many separate explosion events. Hence we could be in for several weeks or even years of major volcanic unrest from the Hunga-Tonga-Hunga-Ha'apai volcano. For the sake of the people of Tonga I hope not.
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Jan 16, 2022 02:09
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so we just add regular pacific tsunamis to the list of horrible things happening constanty it’s wild that the news cycle has already moved on and nobody has heard from tonga itself, gotta be tons of deaths right?
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Jan 16, 2022 02:54
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Pryor on Fire posted:so we just add regular pacific tsunamis to the list of horrible things happening constanty Ehhhhhhh.... hard to say. I'm sure there'll be some but if you recall that video of the sound of the explosion, the guy filming it took about five seconds to realize what it meant and start shouting for everyone to head for the hills. Tongans have seen tsunami before and know where to go.
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Jan 16, 2022 02:57
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There’s very preliminary tweets citing Facebook posts on some info from Tonga that’s come via satellite phones in the Aus, NZ and British High Commissions there. They are saying no casualties so far, lots of areas inundated, everywhere covered in ash and their drinking water is contaminated and no news from outlying islands yet. None of this is from official sources yet though, so take it with a grain of salt.
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Jan 16, 2022 03:04
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Aus/NZ and others in the neighborhood had better get the boats moving. Even if the airport isn't wrecked, you can't fly a jet into volcanic ash clouds.
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Jan 16, 2022 03:21
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volcano twitter can get weird https://twitter.com/Krakatau_1883/status/1482540572262887430 edit: The Something Awful Forums > Discussion > C-SPAM > Weatherdammerung 2022: My mom erupted for 72 hours at full throttle
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Jan 16, 2022 03:34
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What I heard from a family member (who lived there for a few years and has managed to call a friend there) is that shops are being allowed open for a 4 hour window during the day so people can stock up on supplies. I imagine people in ʻEua had plenty of higher ground to go to. Tongatapu is where a lot of the population lives and it has a bit of elevation but not really any near Nukuʻalofa (the capital of Tonga). I’m the most worried about Haʻapai. It’s low lying and I remember there being areas that you could only get to at low tide. The other thing is, even if the wave is only a meter high, that’s still going to affect a lot of crops and fresh water supplies Also, I’m pretty sure that the tsunami warnings in Tonga, Fiji, Australia, NZ and the US are still active I think the food and water problems will be the main issue. I knew some people who were there after a really bad cyclone a couple of decades ago and they avoided malnutrition by eating the green parts of pumpkins because there were a lot of food shortages (especially fruit and vegetables). Plenty of long life protein from a canned beef product called kapa pulu. If they request assistance from Australia that might introduce another problem (omicron)
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Jan 16, 2022 03:46
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Pillowpants posted:this was undersea volcano right? What would have happened if it wasn’t ironically the water probably made it worse. most volcanoes work by explosively decompressing gas from magma, it's sorta like knocking the little cap off of a pressure cooker. if part of the mountain collapses and exposes the magma to seawater, you get the magma degassing plus a shitton of water flashing into steam. instant bass boosted volcano SirPablo posted:I'd wonder how accurate this stuff is yet, there's a lot of ash, dust, clouds still in the area. There won't be a clear view in the visible spectrum for a while. probably pretty accurate, radar sats are able to see through that stuff pretty well. might have a hard time seeing low-lying areas that were underwater or flooded from the spring tide/tsunami combo, but it's really hard to hide an island that big. it's probably gone more or less
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Jan 16, 2022 04:17
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https://twitter.com/CIMSS_Satellite/status/1482431531050283014
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Jan 16, 2022 04:34
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Rotate clockwise ninety degrees, drop in “deal with it” shades.
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Jan 16, 2022 04:35
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A bunch of cool visualizations here, I took a glance and didn't see this one posted https://twitter.com/ChurchillWx/status/1482262764924014592?t=vKJUI5ESsIRQDN64MpCoQg&s=19 And a simulation of the same volcano some guy was coincidentally making right before the eruption https://twitter.com/Pslavi/status/1482476367426256896?t=YEqycRHKSQapnav9dlqLlg&s=19 My parents live in Washington and said they got a tsunami warning this morning, but mostly just got a few larger than average waves. Inspector Hound has issued a correction as of 04:38 on Jan 16, 2022 |
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Jan 16, 2022 04:36
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In other news that's probably fine: https://twitter.com/capitalweather/status/1482566500963831817
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Jan 16, 2022 05:29
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This is a cool geology youtube channel https://www.youtube.com/watch?v=B54HbfqDbK4
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Jan 16, 2022 05:33
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https://twitter.com/bom_au/status/1482592498992427009?s=21 this article sums up what is known so far, Aus and NZ are sending naval ships and hope to get surveillance flights done asap as the ash cloud allows https://www.theguardian.com/world/2022/jan/16/tonga-volcano-eruption-and-tsunami-leaves-trail-of-flood-damage Helith has issued a correction as of 08:46 on Jan 16, 2022 |
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Jan 16, 2022 07:11
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A few friends and I were driving to Florida during the 2004 tsunami and listening to the news go from "dozens may be dead" to "hundreds" to "thousands" to "tens of thousands" to "hundreds of thousands" during the 17 hour drive. I just can't wrap my head around the mindset of people that are like "yeah bro there's gonna be a tsunami let's go to the beach and jump in the tsunami, bro, we can post it on Insta!" or "I should take my infant child to the beach when there could perhaps be a tsunami."
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Jan 16, 2022 17:49
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only a small fraction of the people who died would have known better. the last tsunami was long out of living memory (the 1860s) and a century of colonialism and state-building would have disrupted the oral traditions that cultures who regularly experience tsunamis are passed on to the next generations. in fact, most of the inhabited areas that managed to escape the tragedy were rural villages where people still knew the stories and scrambled inland. and because the last indian ocean tsunami was in the victorian era and the region is surrounded by developing counties, no one had bothered to install an early warning system. so in the cities, you had the seabed becoming exposed at the same time as the earthquake, and people thought it was the earthquake itself making a permanent change. fishermen ran out to grab flopping fish and supplement their income. kids did the kid thing and ran out to play on the new, strange world in the harbor. then the women got killed when they ran out to try to warn their families of the wave coming over the horizon. and in some of the rice fields, you might have been totally unaware what was going on. the wave made it 40 km inland in some places. natural disasters like that usually happen because people are caught off guard by something completely outside their experience, or making the best of their situation, not because they're idiots. blaming people means there are only individualized one-off solutions and the next disaster's going to do just as much damage. taking a wider look at what happened means the next time probably won't be as bad. sorry for the rant but I really hate the "how could people have been so clueless" thing.
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Jan 16, 2022 18:33
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Mola Yam posted:edit: The Something Awful Forums > Discussion > C-SPAM > Weatherdammerung 2022: My mom erupted for 72 hours at full throttle
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Jan 16, 2022 18:38
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Fetlife Kuli posted:only a small fraction of the people who died would have known better. the last tsunami was long out of living memory (the 1860s) and a century of colonialism and state-building would have disrupted the oral traditions that cultures who regularly experience tsunamis are passed on to the next generations. in fact, most of the inhabited areas that managed to escape the tragedy were rural villages where people still knew the stories and scrambled inland. and because the last indian ocean tsunami was in the victorian era and the region is surrounded by developing counties, no one had bothered to install an early warning system. I was talking about the video someone posted where Aussie police were telling people to get off the beach, the bros and person with infant child I mentioned, who had significant warning and went to the water anyway, not the people caught completely off guard by the 2004 tsunami.
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Jan 16, 2022 19:30
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https://twitter.com/BCampbell_24/status/1482473195659796481 https://twitter.com/burgwx/status/1482733368013832194 https://twitter.com/LabeebGulzar/status/1482705926477864960
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Jan 16, 2022 19:40
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Luneshot posted:The date of this video is uncertain. It's a reposted video, and it may have been from the day before, which also had a large eruption, but the appearance of the ash plume seems to match that of today's eruption. Imagine being an ancient polynesian out on your canoe seeing that poo poo on the horizon.
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Jan 16, 2022 19:48
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Mola Yam posted:volcano twitter can get weird
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Jan 16, 2022 20:17
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https://twitter.com/MathewABarlow/status/1482773777410891779
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Jan 16, 2022 21:49
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From the person who posted the video of the water rushing ashore in Tonga- no reported casualties so far. https://twitter.com/sakakimoana/status/1482801276106964992
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Jan 16, 2022 23:28
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Greetings from the world's hottest city today.
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Jan 17, 2022 00:05
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why would mascara help with covid?
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Jan 17, 2022 00:09
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powerful eyelashes catch it
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Jan 17, 2022 00:59
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Akratic Method posted:powerful eyelashes catch it 
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Jan 17, 2022 08:31
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that shockwave makes me think about how the Hawaiian islands have historically eroded. they do it mainly via catastrophic collapse. imagine the largest mountain in the world from sea bed to peak just suddenly collapsing into the ocean all at once, that’s apparently what happens. it would be a thousand foot tall wave that hits everywhere on the Pacific Ocean.
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Jan 17, 2022 09:44
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the shockwave is still going, it just keeps circling the globe  https://twitter.com/strychni0x/status/1482999381997596673?s=20
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Jan 17, 2022 09:56
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The first officially recorded casualties of the volcano are two beachgoers who were killed by the resulting tsunami in Peru. https://mobile.reuters.com/video/watch/idRCV00AN76
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Jan 17, 2022 12:28
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https://twitter.com/MobyDickatSea/status/1483133777593384971?s=20
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Jan 17, 2022 19:10
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Strange that you could have such a catastrophic explosion and have so few people end up getting hurt. Miracles happen, I guess.
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Jan 17, 2022 19:53
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shame on an IGA posted:The first officially recorded casualties of the volcano are two beachgoers who were killed by the resulting tsunami in Peru. I know we are in an age of increasingly big time deaths, but something about 2 Peruvian beachgoers dying strikes me as particularly sad somehow The beach seems like a tragically ironic place to die. It should be fun times
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Jan 17, 2022 19:57
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Mr. Lobe posted:The beach seems like a tragically ironic place to die. It should be fun times Not a big Saving Private Ryan fan I see
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Jan 17, 2022 21:46
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clicking around on the noaa coastal inundation dashboard and you can see some extra movement in the water levels from the eruption over the past three days. american samoa  hawaii  alaska  california  puerto rico  florida  texas  north carolina  new york  rhode island 
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Jan 17, 2022 22:28
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