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Worldwide Strong Earthquakes (M6+) vs US Infant Mortality

Worldwide Strong Earthquakes (M6+) and US Infant Mortality correlate at r = -0.38 over 65 years (1960–2024), p = 0.0017. With the time trend removed, r = -0.11. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.0017) and the association survives trend removal (detrended r = -0.11). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.38
p-value
0.0017
Years compared (n)
65 (1960–2024)
95% confidence interval
-0.57 to -0.15
Correlation with the time trend removed
-0.11

Sources

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