PolymarketOpen

Will the biggest earthquake on September 29, 2026 be 5.3 to 5.4?

No100%
Yes1%

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24h volume$1.8K
7d volume$1.8K
30d volume$1.8K
Liquidity$579.3
Spread1%
ResolvesSep 30, 2026in 12 hours

Probability history

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Shaded periods have no successful hourly price check.

Probability history0%25%50%75%100%Sep 29, 03:22 AMSep 29, 12:11 PMSep 29, 09:00 PMSep 30, 05:49 AMShaded periods have no successful hourly price check.

Based on this market’s outcome prices, expressed as probabilities.

Resolution rules

This market will resolve to the bracket containing the magnitude of the largest earthquake recorded globally on September 29, 2026, as reported by the USGS Earthquake Catalog. Brackets: Under 5.3 / 5.3 to 5.4 / 5.5 to 5.6 / 5.7 to 5.8 / 5.9 to 6.0 / 6.1 or more. Exactly one bracket resolves "Yes". The observation period is the UTC calendar day: 00:00 UTC to 23:59 UTC on September 29, 2026. An earthquake is assigned to the day containing its origin time. Magnitude refers to the USGS preferred magnitude value, listed under 'Magnitude' in the format column. If USGS revises a magnitude after initial publication, the revision governs provided it is published before 2:00 PM ET on September 30, 2026. A value first published after that time is not considered. If the reported magnitude carries more than one decimal place, it is rounded to the nearest tenth using standard rounding conventions (0.05 rounds up). Brackets are inclusive of their stated endpoints. If no earthquake data for September 29, 2026 has been published by 2:00 PM ET on September 30, 2026, this market will resolve to the "Under 5.3" bracket. The resolution source for this market is the USGS Earthquake Catalog, maintained by the United States Geological Survey, at https://earthquake.usgs.gov/earthquakes/search/.

Sourcehttps://earthquake.usgs.gov/earthquakes/search/

Other legs of this event

MarketVenuePriceStatus
Will the biggest earthquake on September 29, 2026 be under 5.3?Polymarket100% NoOpen
Will the biggest earthquake on September 29, 2026 be 5.5 to 5.6?Polymarket98% YesOpen
Will the biggest earthquake on September 29, 2026 be 6.1 or more?Polymarket100% NoOpen
Will the biggest earthquake on September 29, 2026 be 5.9 to 6.0?Polymarket100% NoOpen
Will the biggest earthquake on September 29, 2026 be 5.7 to 5.8?Polymarket99% NoOpen

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As of Sep 30, 05:58 AM UTC