The 87% market-implied probability of no magnitude 9.0 or greater earthquake before 2027 stems from the extreme rarity of these megathrust events, with USGS records showing only five since 1900—roughly one every two decades amid vast tectonic uncertainty. No major subduction zones like Cascadia, Sumatra-Andaman, or the Japan Trench display precursory indicators such as seismic swarms, slow-slip events, or accelerated geodetic strain buildup per current monitoring. Recent quakes, including Japan's January 2024 M7.6 Noto event on an inland fault, have not signaled plate-boundary ruptures capable of M9+ scale. Baseline global seismicity persists without shifts in the past 30 days, reinforcing trader consensus on low near-term risk, though USGS real-time data could prompt revisions.
Experimental AI-generated summary referencing Polymarket data · Updated9.0 or above earthquake before 2027?
9.0 or above earthquake before 2027?
$161,211 Vol.
$161,211 Vol.
$161,211 Vol.
$161,211 Vol.
The resolution source for this market is the United States Geological Survey (USGS) Earthquake Hazards Program (https://earthquake.usgs.gov/earthquakes/browse/significant.php#sigdef).
If an earthquake of substantial size has occurred within this market's timeframe but not yet appeared on the resolution source, this market may remain open until January 31, 2027, 11:59 PM ET, or until the earthquake in question otherwise appears on the resolution source. If such an earthquake has not appeared on the resolution source by that date, another credible resolution source will be used.
After a qualifying earthquake is registered, this market will remain open for 24 hours to account for any revisions to its recorded magnitude. After 24 hours, this market will resolve according to the latest provided data.
Market Opened: Dec 8, 2025, 5:28 PM ET
Resolver
0x65070BE91...The resolution source for this market is the United States Geological Survey (USGS) Earthquake Hazards Program (https://earthquake.usgs.gov/earthquakes/browse/significant.php#sigdef).
If an earthquake of substantial size has occurred within this market's timeframe but not yet appeared on the resolution source, this market may remain open until January 31, 2027, 11:59 PM ET, or until the earthquake in question otherwise appears on the resolution source. If such an earthquake has not appeared on the resolution source by that date, another credible resolution source will be used.
After a qualifying earthquake is registered, this market will remain open for 24 hours to account for any revisions to its recorded magnitude. After 24 hours, this market will resolve according to the latest provided data.
Resolver
0x65070BE91...The 87% market-implied probability of no magnitude 9.0 or greater earthquake before 2027 stems from the extreme rarity of these megathrust events, with USGS records showing only five since 1900—roughly one every two decades amid vast tectonic uncertainty. No major subduction zones like Cascadia, Sumatra-Andaman, or the Japan Trench display precursory indicators such as seismic swarms, slow-slip events, or accelerated geodetic strain buildup per current monitoring. Recent quakes, including Japan's January 2024 M7.6 Noto event on an inland fault, have not signaled plate-boundary ruptures capable of M9+ scale. Baseline global seismicity persists without shifts in the past 30 days, reinforcing trader consensus on low near-term risk, though USGS real-time data could prompt revisions.
Experimental AI-generated summary referencing Polymarket data · Updated



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