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Arctic Sea Ice Extent (September) vs Worldwide Strong Earthquakes (M6+)
Arctic Sea Ice Extent (September) and Worldwide Strong Earthquakes (M6+) correlate at r = -0.19 over 47 years (1979–2025), p = 0.196. With the time trend removed, r = -0.08. Not statistically significant.
Verdict: Not statistically significant. With n = 47, this correlation isn't statistically significant (p = 0.196). It could easily be chance.
- Pearson r
- -0.19
- p-value
- 0.196
- Years compared (n)
- 47 (1979–2025)
- 95% confidence interval
- -0.45 to 0.10
- Correlation with the time trend removed
- -0.08
Sources
- Arctic Sea Ice Extent (September) (million km²): NSIDC. Mean Arctic sea ice extent in September, the yearly minimum (NSIDC Sea Ice Index).
- Worldwide Strong Earthquakes (M6+) (earthquakes per year): USGS. Annual worldwide count of magnitude 6+ earthquakes (USGS ComCat).
Related pairs
- Arctic Sea Ice Extent (September) vs US Mobile Subscriptions (r = -0.92)
- Arctic Sea Ice Extent (September) vs US Resident Patent Applications (r = -0.91)
- Arctic Sea Ice Extent (September) vs US Adult Obesity (r = -0.91)
- Arctic Sea Ice Extent (September) vs US Population (r = -0.90)
- Arctic Sea Ice Extent (September) vs US Marriage Rate (r = +0.90)
- Atmospheric CO₂ (Mauna Loa) vs Arctic Sea Ice Extent (September) (r = -0.89)
Correlation does not imply causation. How the verdict is worked out.