Daily chart answer for Saturday, October 3, 2026
How did the magnitude of the largest recorded earthquake each year change from 1975 to 1989? 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 1980, it moved up 1.5% to finish at 8.02. Players saw the first 6 of 15 observations before drawing. From 7.9 to 8.02, the full span nets out up 1.5%. The period high of 8.3 came in 1977; the low of 7.29, in 1982. The biggest one-step move was a 7.2% downward in 1978. Data: U.S. Geological Survey (ComCat).
The hidden values
After the cutoff (1980), the series printed:
| Date | Actual value |
|---|---|
| 1981 | 7.7 |
| 1982 | 7.29 |
| 1983 | 7.6 |
| 1984 | 7.6 |
| 1985 | 8 |
| 1986 | 8 |
| 1987 | 7.9 |
| 1988 | 7.8 |
| 1989 | 8.02 |
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