Traders' near-even split between one (45%) and zero (37.5%) large eruptions—defined as Volcanic Explosivity Index (VEI) ≥4, involving over 0.1 cubic kilometers of ejecta—mirrors the Smithsonian Global Volcanism Program's historical baseline of roughly 0.5–1.5 such events annually over the past century, driven by unpredictable magma accumulation in subduction zones like the Ring of Fire. Recent months saw no VEI ≥4 blasts, with activity limited to lower-intensity unrest at sites like Iceland's Reykjanes and Indonesia's Ruang, underscoring the inherent stochasticity of volcanic systems where seismic swarms and gas emissions provide limited lead time. Higher outcomes trail due to rarity of clustering; continuous USGS and GVP monitoring through 2026 will track precursors like ground deformation, but models cannot forecast exact counts amid natural variability.
Experimental AI-generated summary referencing Polymarket data · UpdatedHow many large volcano eruptions (VEI ≥4) in 2026?
How many large volcano eruptions (VEI ≥4) in 2026?
1 45%
0 38%
2 7.8%
3 3.5%
$625,931 Vol.
$625,931 Vol.
0
38%
1
45%
2
8%
3
3%
4
2%
5+
2%
1 45%
0 38%
2 7.8%
3 3.5%
$625,931 Vol.
$625,931 Vol.
0
38%
1
45%
2
8%
3
3%
4
2%
5+
2%
The primary resolution source will be the Smithsonian Institution Global Volcanism Program (GVP: https://volcano.si.edu/), specifically the cumulative figures for 2026 for VEI 4, VEI 5, and VEI 6 released on the page currently titled "Eruptions Avg 2000-2024 (N/T)" (https://volcano.si.edu/faq/index.cfm?question=eruptionsbyyear) as of March 31, 2027, 12 PM ET. Any prior updates will not be considered finalized.
If this dataset has not been updated to include all relevant events by March 31, 2027, or if the Smithsonian GVP becomes permanently unavailable, this market may resolve based on a consensus of credible scientific sources, including the U.S. Geological Survey (USGS), national or regional volcanic observatories, or credible reporting of a scientific consensus.
Note: Smithsonian Institution Global Volcanism Program databases, which include eruptions that reached the relevant threshold prior to this market’s timeframe (e.g., https://volcano.si.edu/faq/index.cfm?question=eruptionsbyyear&checkyear=2025), will not be considered.
Market Opened: Jan 2, 2026, 1:48 PM ET
Resolver
0x2F5e3684c...Resolver
0x2F5e3684c...Traders' near-even split between one (45%) and zero (37.5%) large eruptions—defined as Volcanic Explosivity Index (VEI) ≥4, involving over 0.1 cubic kilometers of ejecta—mirrors the Smithsonian Global Volcanism Program's historical baseline of roughly 0.5–1.5 such events annually over the past century, driven by unpredictable magma accumulation in subduction zones like the Ring of Fire. Recent months saw no VEI ≥4 blasts, with activity limited to lower-intensity unrest at sites like Iceland's Reykjanes and Indonesia's Ruang, underscoring the inherent stochasticity of volcanic systems where seismic swarms and gas emissions provide limited lead time. Higher outcomes trail due to rarity of clustering; continuous USGS and GVP monitoring through 2026 will track precursors like ground deformation, but models cannot forecast exact counts amid natural variability.
Experimental AI-generated summary referencing Polymarket data · Updated


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