How many 5.5 or above earthquakes June 1 - June 7?

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Market context

Between 1 and 7 June 2026, Earth will experience seismic activity across its tectonic zones. The market resolves based on how many earthquakes of magnitude 5.5 or above occur during this seven-day window, as recorded by the USGS Earthquake Hazards Program. The current crowd probability of 0% reflects either genuine confidence in a quiet week or insufficient liquidity to price tail risk; historical data suggests neither extreme is certain.

Global seismic activity averages roughly one magnitude 5.5+ earthquake every two to three days. Over a seven-day period, the statistical expectation sits between two and four such events, though clustering and quiet spells occur regularly. The 2011 Christchurch sequence and the 2004 Indian Ocean event demonstrate that magnitude 5.5+ quakes cluster unpredictably. Recent weeks in 2025 and early 2026 have shown variable activity: some weeks recorded zero magnitude 5.5+ events whilst others saw three or four. The USGS catalogue exhibits a 24–48 hour reporting lag for remote locations, which traders should account for when monitoring resolution timing.

Traders monitoring this market should track real-time USGS notifications and regional seismic networks covering the Pacific Ring of Fire, where approximately 90% of global seismic energy concentrates. Volcanic activity in Indonesia, Japan, and the Americas typically correlates with heightened magnitude 5.5+ frequency. No scheduled major geophysical events or announcements typically influence earthquake occurrence, though solar activity and atmospheric pressure changes remain subjects of ongoing research with minimal predictive consensus. The settlement window closes 8 June at 03:59 UTC, allowing a brief grace period for late-reported events to appear in the USGS database.

Methodology

This page reviews How many 5.5 or above earthquakes June 1 - June 7? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Legal UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Legal UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Legal UK triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.