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ScienceFading · day 3

Scientists map catastrophic scenario if Yellowstone supervolcano erupted

A thought experiment by disaster experts outlines weeks of warning signs and cascading global devastation from a worst-case VEI 8 eruption.

What to know

  • A detailed worst-case scenario shows Yellowstone would be preceded by weeks of detectable warning signs—earthquake swarms, ground uplift, geyser changes, and rising gases—before a potential VEI 8 eruption.
  • A super-eruption would blast ash tens of kilometers into the atmosphere, bury parts of the western U.S., and cripple transportation, electricity, and water systems with global consequences.
  • The analysis is grounded in modern monitoring networks and how countries have recently managed large-scale disasters, treating it as a plausible exercise rather than speculation.
  • No imminent threat is reported; the scenario is a thought experiment examining civilization's vulnerability to a geological extreme event.
some voices

Some reassurance in the advance warning: at least civilization would see it coming.

  • “Apparently scientists think we'd have at least a few weeks of prior notice if the Yellowstone super-volcano were to erupt. Yay?”

    DamnInteresting@mastodon.social · Mastodon ↗

The Conversation authors (disaster and volcano experts) Study authorsYellowstone Volcano Observatory (YVO) Monitoring network

Scientists map catastrophic scenario if Yellowstone supervolcano erupted
theconversation.com

How it unfolded 3 developments, newest first · click a bar or a number to jump articlesposts

Peak 5 pieces in one hour at Yesterday, 4 AM; 16 pieces over 3 days (11 articles · 5 posts) Sep 21, 9 AM — 1 piece · 1 post — Mastodon 1Sep 21, 10 AM — 2 pieces · 2 articles — Google News 1, Newswires 1Sep 21, 11 AM — quietSep 21, 12 PM — 1 piece · 1 post — Hacker News 1Sep 21, 1 PM — quietSep 21, 2 PM — 1 piece · 1 post — Mastodon 1Sep 21, 3 PM — quietSep 21, 4 PM — quietSep 21, 5 PM — 1 piece · 1 post — Mastodon 1Sep 21, 6 PM — quietSep 21, 7 PM — quietSep 21, 8 PM — quietSep 21, 9 PM — quietSep 21, 10 PM — quietSep 21, 11 PM — quietYesterday, 12 AM — 3 pieces · 3 articles — Google News 2, Newswires 1Yesterday, 1 AM — 1 piece · 1 article — Google News 1Yesterday, 2 AM — quietYesterday, 3 AM — quietYesterday, 4 AM — 5 pieces · 5 articles — Google News 4, Newswires 1Yesterday, 5 AM — quietYesterday, 6 AM — quietYesterday, 7 AM — quietYesterday, 8 AM — quietYesterday, 9 AM — quietYesterday, 10 AM — quietYesterday, 11 AM — quietYesterday, 12 PM — quietYesterday, 1 PM — quietYesterday, 2 PM — quietYesterday, 3 PM — quietYesterday, 4 PM — quietYesterday, 5 PM — quietYesterday, 6 PM — quietYesterday, 7 PM — quietYesterday, 8 PM — quietYesterday, 9 PM — quietYesterday, 10 PM — quietYesterday, 11 PM — quietToday, 12 AM — quietToday, 1 AM — quietToday, 2 AM — quietToday, 3 AM — quietToday, 4 AM — quietToday, 5 AM — quietToday, 6 AM — quietToday, 7 AM — quietToday, 8 AM — quietToday, 9 AM — quietToday, 10 AM — quietToday, 11 AM — quietToday, 12 PM — quietToday, 1 PM — quietToday, 2 PM — quietToday, 3 PM — quietToday, 4 PM — quietToday, 5 PM — quietToday, 6 PM — 1 piece · 1 post — Mastodon 1Today, 7 PM — quietToday, 8 PM — quietToday, 9 PM — quietToday, 10 PM — quiet 123
yesterdaytodaynow · 11:20 PM ET
  1. 3

    Warning signs and eruption sequence detailed

    Science Daily coverage elaborates the scenario: a Yellowstone super-eruption would begin with weeks of warning signs including migrating earthquake swarms, rapid ground uplift, changing geysers, and rising volcanic gases, potentially culminating in a VEI 8 eruption that blasts ash tens of kilometers into the atmosphere and buries parts of the western U.S.

    “A Yellowstone super-eruption would begin not with a sudden surprise, but with weeks of increasingly alarming warning signs such as migrating earthquake swarms, rapid ground uplift, changing geysers, and rising volcanic gases.”
    — Science Daily
  2. 2

    Analysis spreads across major news outlets

    The Yellowstone scenario article is republished by Hindustan Times, Science Daily, and other major outlets, reaching global audiences and becoming the focus of widespread coverage.

  3. 1

    Experts publish detailed Yellowstone super-eruption scenario

    The Conversation publishes a thought experiment by disaster and volcano experts examining what would happen in a worst-case Yellowstone eruption. The analysis is based on research and examination of how countries have dealt with recent disasters.

    “We are experts in disasters and volcanoes and what follows is a thought experiment into what might happen in the worst case scenario.”
    — The Conversation authors
    1. first by Daily Mail, 1d ago · also Hindustan Times, Press Trust of India

      2 more headlines
    • DamnInteresting@mastodon.social

      Apparently scientists think we'd have at least a few weeks of prior notice if the Yellowstone super-volcano were to erupt. Yay? https:// theconversation.com/end-of-hum anity-blow-by-blow-account-of-what-would-happen-if-the-yellowstone-supervolcano-erupted-now-288649?utm_source=DamnInteresting

      DamnInteresting@mastodon.socialMastodon2d agoview on Mastodon ↗
    1 more of the top 2 · 2 posts in this stretch
    • TheConversationUK

      Anybody within the eruption zone would be pulverised by blasts, crisped by the heat, or asphyxiated by ash. https:// theconversation.com/end-of-hum anity-blow-by-blow-account-of-what-would-happen-if-the-yellowstone-supervolcano-erupted-now-288649

      TheConversationUKMastodon2d agoview on Mastodon ↗
    all of them →

Also covered reported alongside — the timeline has no entry for these yet

  1. first by ScienceDaily, 1d ago · also The Conversation

    1 more headline

and 1 smaller piece

What people are saying 0 voices from 0 sites · best of 2 · verbatim