Daily chart answer for Friday, October 9, 2026
How did the magnitude of the largest recorded earthquake each year change from 2005 to 2019? Earth Science · 15 observations · U.S. Geological Survey (ComCat).
Solid line = the part players could see · dashed violet = the daily chart’s hidden stretch, revealed here.
What happened
After the visible part ended on 2010, it retreated 9.1% to finish at 8. Players saw the first 6 of 15 observations before drawing. From 8.6 to 8, the full span nets out down 7.0%. The period high of 9.1 came in 2011; the low of 7.9, in 2008. The biggest one-step move was an 8.6% upward in 2010. Data: U.S. Geological Survey (ComCat).
The hidden values
After the cutoff (2010), the series printed:
| Date | Actual value |
|---|---|
| 2011 | 9.1 |
| 2012 | 8.6 |
| 2013 | 8.3 |
| 2014 | 8.2 |
| 2015 | 8.3 |
| 2016 | 7.9 |
| 2017 | 8.2 |
| 2018 | 8.2 |
| 2019 | 8 |
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