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US Marriage Rate vs Worldwide Strong Earthquakes (M6+)

US Marriage Rate and Worldwide Strong Earthquakes (M6+) correlate at r = -0.38 over 62 years (1960–2022), p = 0.0021. With the time trend removed, r = -0.06. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.0021) and the association survives trend removal (detrended r = -0.06). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.38
p-value
0.0021
Years compared (n)
62 (1960–2022)
95% confidence interval
-0.58 to -0.15
Correlation with the time trend removed
-0.06

Sources

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Correlation does not imply causation. How the verdict is worked out.