I wanted to find out if the #volcanocup folks are on Bluesky. I miss Volcano Cup
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#VolcanoCup
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Are all the #VolcanoCup scientists here? I would love that
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#VolcanoCup
onlinelibrary.wiley.com/doi/10.1029/2001JD002042...
https://x.com/simoncarn/status/951526193270087683
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Battle of the Basalts #VolcanoCup
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For #Krakatau; nice comparison of hi-res @planetlabs 🛰️ imagery of Anak Krakatau from Apr 2011 and Feb 2018, showing expansion of the lava flow field (mainly to the SE) but also the growth of vegetation on the E flank. #VolcanoCup
Images Copyright 2018 Planet Labs Inc.
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But I must add that #Yasur (Vanuatu) is hands-down one of the most amazing volcanoes I've been lucky enough to work on. Incredible explosions (follow @dread_rocks for more). If you go, please wear a hard hat. #VolcanoCup
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My view is that, given the higher, late-20th Century population of Java and Sumatra, had the 1883 #Krakatau eruption occurred in 1991 its impacts might have been greater still, and certainly more significant than #Pinatubo. So my vote is for #Krakatau. #VolcanoCup
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Equipped with the advances of 20th Century #volcano science, could we have predicted the magnitude of the #Krakatau eruption, the caldera collapse and devastating tsunamis that killed >36,000 people around the Sunda Strait? I'm not so sure. #VolcanoCup
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At #Pinatubo, analysis of its prehistoric #eruption deposits was key to forecasting the potential magnitude of the 1991 eruption, but such mapping might also have been more difficult at #Krakatau, with fewer subaerial deposits. #VolcanoCup
https://pubs.usgs.gov/pinatubo/newhall/
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The 3-month run-up wld have given time to deploy a telemetered monitoring network at #Krakatau (seismic, deformation), but as an island volcano this wld have been more challenging at #Krakatau than it was at #Pinatubo. Deep EQs would have been harder to detect/locate. #VolcanoCup
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Both #eruptive sequences began in a similar fashion, with large, felt earthquakes and phreatic explosions. 'White cumulus clouds' were observed rising from #Krakatau in May 1883 - probably steam-rich emissions as the #volcano began to heat up. #VolcanoCup
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If #Krakatau had erupted in 1991, would we have been able to predict the eruption and its impacts? The 'run-up' times for #Krakatau in 1883 and #Pinatubo in 1991 were similar: ~3 months (May-Aug 1883, Mar-Jun 1991) from first clear signs of unrest to paroxysm. #VolcanoCup
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Very tough decision in today's #VolcanoCup. #Pinatubo vs #Krakatau would be a worthy final - a giant of the 19th Century against a giant of the 20th. To level the playing-field, we can look at the 1883 #Krakatau eruption through the lens of modern volcanology.
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#Etna surely the firm favorite in this round of #VolcanoCup. But what about #Lengai - the only active carbonatite #volcano? It erupts lava closer in composition to washing soda than silicate magma, with very low SiO2 and hence very low viscosity....
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Entertaining (and well-timed for #VolcanoCup) episode of @themonkeycage on 🌋 w/ @tamsinmather, @ultraplinian, @ProfBrianCox. Runs the volcanic gamut thru origins of life, mass extinctions, societal impacts, aviation hazards & more. Well worth a listen!...
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Lava lakes are red
Crater Lake is blue
When #Pinatubo erupted
Earth cooled a bit, too
#VolcanoCup
#VolcanicValentine
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This is a great article summarizing a @NSF-funded workshop at #Santiaguito in 2016, with contributions from @gchigna, @rudigerescobar, @NickEruption and others. #VolcanoCup
bigstory.thebluereview.org/santiaguito-volcano-rese...
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But my vote goes to #Santiaguito. The devastating 1902 eruption of #SantaMaria was the 3rd largest of the 20th Century, & today the 'aerial' view of the #Santiaguito lava dome from Santa Maria's summit is an unparalleled site for studying #volcanic explosions. #VolcanoCup
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#Pacaya looms at the end of the #Guatemala City airport runway. More docile than #Fuego but has a history of catastrophic edifice collapse. SO2 emissions from a large eruption in May 2010 swirled into the circulation of Tropical Storm Agatha. #VolcanoCup...
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Watching #Fuego erupt across the rooftops of Antigua #Guatemala is one of the classic volcanic vistas. #VolcanoCup
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One of Stoiber's students, Bill Rose, brought volcanology to @michigantech in the 1970s. With @Matthew__Watson, @rudigerescobar & others, #Guatemala has remained one of our key field sites, due to persistent 'open-vent' activity at #Fuego, #Pacaya and #Santiaguito. #VolcanoCup
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Our connection to #Guatemala can be traced to the efforts of the legendary Dick Stoiber (1911-2001) at @dartmouth. Many prominent senior US volcanologists cut their teeth on #Guatemalan and El Salvadorian volcanoes under his tutelage. #VolcanoCup...
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Excited for today's #Guatemala round of #VolcanoCup. Many @michigantech graduate students were trained on Guatemalan and other Central American #volcanoes through a unique @PeaceCorps Masters International program (sadly now retired).
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Above all, the 1991 #Pinatubo eruption is our 'poster child': proof that #volcano science works. Timely evacuations probably saved 1000s of lives. When sufficient resources and expertise are available, major crises can be averted. #VolcanoCup
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Estimates of volcanic SO2 emissions prior to the satellite era (pre-1978) are a little uncertain, but studies of ice cores suggest that the 1991 #Pinatubo SO2 injection was the largest since #Krakatau in 1883. #VolcanoCup
https://www.nature.com/articles/nclimate2293
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