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Worldwide Strong Earthquakes (M6+) vs US Forest Area
Worldwide Strong Earthquakes (M6+) and US Forest Area correlate at r = -0.14 over 34 years (1990–2023), p = 0.439. With the time trend removed, r = +0.32. Not statistically significant.
Verdict: Not statistically significant. With n = 34, this correlation isn't statistically significant (p = 0.439). It could easily be chance.
- Pearson r
- -0.14
- p-value
- 0.439
- Years compared (n)
- 34 (1990–2023)
- 95% confidence interval
- -0.45 to 0.21
- Correlation with the time trend removed
- +0.32
Sources
- Worldwide Strong Earthquakes (M6+) (earthquakes per year): USGS. Annual worldwide count of magnitude 6+ earthquakes (USGS ComCat).
- US Forest Area (% of land): World Bank. US Forest Area (World Bank indicator AG.LND.FRST.ZS).
Related pairs
- US Forest Area vs US Mobile Subscriptions (r = +0.98)
- US Forest Area vs US Resident Patent Applications (r = +0.97)
- US Adult Obesity vs US Forest Area (r = +0.97)
- US Forest Area vs US Population (r = +0.97)
- Atmospheric CO₂ (Mauna Loa) vs US Forest Area (r = +0.95)
- US Adolescent Birth Rate vs US Forest Area (r = -0.94)
Correlation does not imply causation. How the verdict is worked out.