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Review — Earthquakes at 7.5 and Up

stock here: there is no earth shattering (literally) take-aways from here, at least at this point. Correlation with coronal holes and CME is maybe something AI could do if given good datasets.

One takeaway is that you can pretty much expect at least 2 per year.

I did the 8.0 and up prior 2 articles. Here is 7.5

📊 Summary Statistics: A-Eye

  • Total Earthquakes: 484
  • Years Covered: 125 (from ~1900 to 2025)
  • Average Days Between Quakes: 93.6
  • Median Days Between Quakes: 61.0
  • Longest Span Between Quakes: 1,355 days (~3.7 years)
  • Shortest Span Between Quakes: Same day (0 days)
  • Standard Deviation (Days Between): 114.8

📈 Gap Insights:

  • Times with ≥3 years between quakes: 1
  • Times with ≥3 years & 8 months between quakes: 1

📉 Visualizations:

  • Histogram of magnitudes shows a steep drop-off after ~8.0

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